882 heads any good. It'll make that engine a whole lot stronger.
882 heads any good Oct 15, 2010 · He's had good luck with EQ heads and has flowed a set of CC170BA2's (same head as the CH350C and the CC170BA that I bought) on his own bench. Jul 3, 2003 · I'm getting ready to rebuild my 400 sbc and am on a tight budget. I`m going to run a . Will using a . Jun 29, 2010 · Any time 882 heads go in the trash is a good day. All you have to do is search for a deal. That is the benefit of aftermarket heads. The 882 heads are very prone to heat issues and cracks in the heads. 2006 Sep 15, 2021 · Now the 882 heads I had measured pretty large on the intake runners. but the cost of the new vortec style intake could Feb 11, 2012 · heads and cam Well for starters the 882 heads have a large chamber size of 76cc and they flow alright but hurt the compression of down to about 8. The power packs are going back on the 283. Buy some vortecs. Nov 12, 2009 · They are a lower compression head than any of the "hump" heads, but will typically flow a bit more air (. Here are the two types. Not wise in my opinion. 94 intake valves, sometimes Feb 13, 2017 · im really strapped for cash. Very responsive and not that bad on gas. Theres a shape of a triangle on the side of the heads where the normal camel hump castign would be. Oct 9, 2017 · The vortec head is a better flowing head than the 882 although to be used with that cam they will have to be machined to handle over . 73 rear end, 400 trans. Are 441 heads any good? The 441 has a reputation as a good-flowing head among the production 76cc chamber heads. 6 which sucks and hurts performance which also limits a great cam, so for a just cam swap with a heavier truck as the Elky is with not to much of a stall I would probably limit cam to a 268 hyd from Comp, have installed quite a few with about Dec 11, 2007 · I plucked it,shoved some FT, a 290 adv/218*@. I think you could also look for cutouts between the lower headbolts. So with that thought in mind if you can get a good deal on a set of SBC aluminum heads that you can use on your 327 now and then again on your 383 SBC later on I say go for it. Dec 18, 2007 · I would not use the -896 heads on the 350, on the 283 yes. 060 over (came that way) and has a Weiand Action Plus Intake and 1-5/8 headers. 450" valve lift because the retainer will interfere with the seal at higher lifts. Jan 13, 2009 · 882s could be called the best of the worst. May 11, 2014 · But head replacement can get you into intake to head bolt up issues and rocker arm issues. Jul 23, 2013 · X 2 on the Vortecs. Jun 26, 2000 · When I install 882's I use the intake manifold restrictors on both heads, this helps reduce the cracking of the 882's! It's been maybe 10 years since Hot Rod Magazine did their "Head of the Class" article on small block chevy head flows. i've seen some quick cars & trucks that were running 882 heads. Oct 13, 2006 · I have a set of Chevy heads with a casting number of 333882, with 1. They are the best of the smog heads. Buy a set of used Vortec Heads at the local junkyard ($210), Vortec intake manifold ($140), center bolt valve covers ($40), balancer & Gasket set ($100). Dec 13, 2021 · People used BBC rectangle port heads for a long time without worrying about those runners being too big and they loved those engines. The 3932441 76cc are pretty good for a stock larger cc head. They were used on the LT-1's in the early '70s. coryz28 · Registered. Sep 1, 2003 · Straight-up sellers will usually accept a "pass inspection" agreement with regard to cracks and unrepairable damage. These are 993 and 339x heads. 1 5/8" headers,700 cfm holly, 3. 10 posts • Page 1 of 1. The STOCK 70-74 heads, which are 76cc heads, used with 5. I have two sets at the shop that I would be hard pressed to get much money for, considering what you can buy new heads for now days. Dec 29, 2011 · Re: chevy 882 heads « Reply #1 on: December 29, 2011, 10:01:37 PM » they are a low compression pickup truck head, generally, that have decent sized runners and usually at least 1. 5 ratio (love to have a new set) . He does head work for racers so wanted to know the higher numbers. 600 lift even stock vortec heads with some port and bowl clean-up should flow about 230 cfm at . If you're not concerned about originality, then replacement is fine and unless you're trying to add power over 5,000 rpm, the 882 head will do just fine. Oct 26, 2004 · Max lift on stock 882's? Engine & Drivetrain. In this particular case, it lost out to the 882 head, but overall it's a decent head that responds well to pocket port work and larger 2. Dont pay a lot of money for them unless you know they are ready to bolt on and run. Jul 12, 2009 · The stock 327/210's did come with huge 75cc heads 1. 600 239. True, Most early 882's were equipped with 1. Also the smaller coolant crossover holes. Also, and I think this is a big deal. Joined: Aug 19, 2002 Posts: 4,707. They are beefy for porting, but they flow almost identically below . 02 etc they will be better than what Dec 5, 2009 · Do yourself a favor and sell those '882' heads to someone else and buy a set of aftermarket heads ready to bolt on that will make the power that you are looking for. I`m going to see if the machine shop can shave them down to 70-72cc`s. Feb 4, 2014 · "Not all late 882 heads were created equal. 1 2 3. 020 and use a GM head gasket with . the intake ports on the heads are MASSIVELY gargantuan. 450 lift, the the vortec pulled away. 60") >GM 441 iron heads (actually flow better to . They are ok not great though. 550 236. The problem in my opinion is that if you use a piston with enough dome to get some compression you probably give up some performance. Oct 3, 2024 · 882 heads are open chamber SMOG heads. 3 to 1 compression. Dec 22, 2006 · Well Im looking for a better set - like vortecs, but cant find any at a good deal right now. With the 487 head it got 18 mpg and ran right at 100 in the quarter. 50-inch intake and exhaust valves are still available and in relatively good supply. 94 intakes. 882s Heads any good? Aug 25, 2010 · The good Vortecs are from 1996-2000, last three digits of the casting #'s are 062 or 906. They work well with up to about . cast iron heads are about as good as a boat anchor when compared to most aftermarket heads outta the box Nov 27, 2021 · They were on SB Corvettes and Camaro SS and Z-28 from around 68-70 I think. They dont have any cracks and IMHO, should be good to go EXCEPT for one thing. stock iron heads arent worth the money Feb 23, 2010 · i have a copy of a flow test between 882 heads & 062 vortec heads. I have used the 993 heads for years, IMO a good head. Mar 2, 2003 · if it weren't for their cracking problem the 882 would be one of the best stock type heads, they will flow decent if you port match the intake side and they have room topside for Z-28 street type springs and good seals, if you do bowl work and smooth out the top of the runner you can benefit from 2. both with 1. The 882 heads are considered to sit somewhat in the middle in terms of performance. thats just my . Dec 11, 2007 · valves size on a 882 what are some good cast iron heads for performence can you guys send me some casting #'s because with all of these bad experiences from people made me change my mind about these heads. Dec 5, 2009 · These heads with a flat top piston will come in around 9. Is there any difference in valve springs and rocker arms between my current 882 heads and the 336? How are the 336 in general? would it be a good upgrade over my Aug 16, 2024 · going from a 76cc head to a 64cc will add about 1. I know these heads aren't complete junk like 882's. Vortec heads are good production heads 64cc though your compression will be up. You can pull a valve cover off and give us the last 3 digits and we would know for sure. 60") Jan 6, 2003 · I wanted to get 400+ hp/torque. , Bare, 58cc Chamber, 180cc Intake Runner, Ford, 289/ 302/ 351W, Each $289. A cam in the . 94 Heads, i am hoping to make 350-375HP with them. Jun 7, 2006 · The 882 heads are smog heads from '74 to '80 and not very well regarded, but neither are stock '85 heads - if you can find out more about the 882's they may be better than your stock '85 heads - ie not only polished & ported but if milled so they will give higher compression and if valves were changed to 2. This Pic is an old Chevelle w/355 cid that had #882's 2. its been a bad year for me financially. . 02. They are D chamber also. 008. With the 882 heads it got 16 and ran 85 in the quarter, both before and after replacement. and thats with the 862 having a 1. 055/1. Dec 26, 2001 · If you have a VERY GOOD head person in your area who will not charge an arm and a leg, you could have them port matched and have some light bowl blending done. 20" head gasket cause me any problems for a little extra compression? I personally want to do the vortec heads, being I have the engine out and it's really easy at this point; it's just the $$$, as usual. Profile Page. Good luck. Total $450. Use the proper gaskets. This makes for a very streetable engine and should come in around 375 horsepower. 940 intake valves and 1. Furtherore, I am leaning towards on older pair of used 882 heads, w/ no work done to them. Apr 26, 2024 · Are Chevy 882 Heads Good? Chevy 882 heads were designed by Chevy to be used in 350 ci and 400 ci engines. has dish pistons right now and 882 heads. Mar 8, 2007 · years ago i ran these 882's in high school and they worked good after a full comp port/polish, port match and 3 angle polished valves, they were good for 330hp , good enough to beat many 5. Try a Comp Cam Extreme Energy 268 or 274 cam and a Edlebrock Performer RPM intake with a Holley 750 carb. I'm pretty sure one head is not going to be worth 50hp over the other. They are equipped with 2. Today, we see lighter and lighter aluminum heads which arguably give better performance. The others may or may not go on the 350. the same book says that if you buy an engine that has 882 heads they should be discarded. then went to low mile junk 82' vette heads because my 78' nova was my only car in HS and shortly went to May 10, 2020 · Basically, an 882 head is a good head-----until it cracks. Top. 50 valves. 50 exaust. Whether it's a lightweight head or not, any used head should be checked for cracks, especially in the exhaust seats. I did manage to run in the 12's with a set of 882's on a 383 but, I had a lot of time and wasted money into them. It'll make that engine a whole lot stronger. 94-1. First, 1974 was the last year for the "good" thick heads on a factory production SB engine. Archives. Apr 30, 2010 · I found a set of reman 333882 heads with 2. I also picked up some other practice heads I could use on my 350 to build some more power and torque. 6 comp. Sep 28, 2003 · I raced a '74 Corvette in NHRA Stock class, 350 w/#882 heads. 600, Dec 31, 2009 · put a set of 820 heads on a 427, 11 and ahalf compression, 219, 188 exhaust, actually had to grind down in the middle a little bit, pistons were touching, heads ended up with 132 cc:s, motor ran like a banchee, in a 18 ft rogers bubble hull, turning over 10 grand coming out of the hole, never blew, judson masingale in houston, did the machine work, i did the porting, wish i could find that May 9, 2008 · Would there be any improvement at all using the 487X heads compared to the stock 882/624 heads? The engine I have was bored . 450" lift. I know the 882(1. 055\1. Feb 26, 2006 · Team Chevelle. For me,the 193 would win hands down. It isn’t hard to notice 882 heads are 400ci small blocks with a pretty consistent 200 CFM rating in a sports car. I used to throw away 882 heads, because there were always camelbacks (with and w/o accessory holes) available through friends. Most of these aftermarket heads can be had in aluminum or iron. Performance. But I used them with a good piston to build compression and 2. My boss has a set of 487 heads that were run on a race car engine for one season. Jan 11, 2004 · The 882's are actually a thick head casting, but are very prone to cracking between the valves in the 2 center cylinders. The 487X has bigger inlet ports. Feb 8, 2009 · Are the 1974 dated 882 heads any good? I am starting to build a motor for my 68 RS and have a set that will need gone thru, but I hate to spend any money on them if they are junk. Made a head change and went to Apr 1, 1999 · GM 882 IronThe smallest of the GM heads we tested at only 151 cc, the 882, turned out to be the best-flowing of the early iron heads. They were produced in the millions and if you are rebuilding a 70's era 350, more than likely it will have a set of these heads on it. As for an estimate of power I can't say but if the vortec heads work well with the bottom end it has its a safe bet that it will have more power than it did. As you mentioned getting a set of heads from work. I don't know how much you may be familiar with SB heads, BUUUUUUUUUUUT, 74 was the LAST year for "good" production SB heads. 5 ratio roller Aug 14, 2005 · The 882 head is the most produced chevy cylinder head over and above all other casting numbers. Also the #882's have an unusal shaped exhaust port , but they make good HP also. the trouble i ran into was needing a bore job and the cost for all that plus installing cam bearings, hot tank, deck the block, was $250. Jun 20, 2003 · Not to easy without a casting number. 500" as a 151cc smog head. If you’re a stranger to these block engines, read my summary on 400 and 350 small blocks. Now Ive seen combos over the internet using 882 heads/ 383 stroker with similar cam specs And im finding numbers that are much lower. Aug 9, 2002 · just wondering if my heads off a 70' 350ci was worth using. better flow, better chambers, after modifying the springs you can run a higher lift cam. Oct 23, 2021 · Released in the late 70s, the 882 heads were made of cast iron and were the heavier heads common in their times and in their predecessors. May 1, 2023 · Since our prerequisite to entry was any head with a 64cc chamber that came in under $1,000, this left the test open to any-size intake ports with a resulting span of between 170 and 200 cc. Jul 3, 2003 · heeelp meeee search my post for heeelp mee and i talk about my 400 and my tale of woe. I recently gave a set of 882's away, brand new fresh, with roller tip rockers. 02/1. Aug 14, 2005 · I used to save the first style heads for good hi-perf customers. Using flat tops with the 193 tho would prolly land you in the 10:1 CR. Jan 20, 2005 · The ones I have have longer narrow holes which is why the intakes are better than the 882. Beginning in 75, Chevy started cutting corners on the SB heads, and by 77 they were basically junk. The 993's have a much straighter shot to the intake valves than the 882's and the intakes are considerably larger appearing. Regarding 993 Chevy heads, these castings with valve sizes were either 1. The later "lightweight" castings have "scalops" or cutouts between the lower Jun 27, 2023 · 993 Chevy Heads And Chevy 882 Head Specs Comparison. The flow on the exhaust side is pretty poor, and the intake side is marginal at best. SD will sell you the stock lift heads alone or as a kit including components you would have to buy separately anyway or they will sell you heads which have been modified at the dealership to accomodate higher valve lifts. have a port job done and the 2. 6 valves, just depended upon which vehicle GM put them in. They yield average flow numbers, but respond to modifications just like any other small block head. This is going to be for a street car. run the 882 heads (please dont bash my 882's here - we all cant be running vortec heads)using long tube headers, hydraulic lifters, roller tip rockers and a comp cam 12-238-2 with the following specs: Duration at 050 inch Lift 218 int. Jan 7, 2012 · The 283 has power pack heads. All they really have going for them is a bit more meat in the castings and a bit more intake port volume. 600 lift so the 882 heads that generally flow about 206 cfm are not all that impressive, will they When I took the valve cover off I learned that it has 333882 heads. Mar 7, 2003 · C3 Tech/Performance - 882 vs. 94 intakes and 1. It has the original 882 heads on it. 450" 114 GK cam and I ran it in a '79 Rallye Sport for 10,000 miles with a two barrel before ever thinking of needing a 4! They worked very good on that motor and it would shred the tires every single day. World Products Windsor Jr Cylinder Heads Cylinder Head, Windsor Jr. With 86 comes self guided rockers so all of those heads lack push rod guides. This head was Mar 27, 2003 · I have read several articles recently where folks are talking about 882 heads as if they were really the cream of the crop. But, with the availability of GOOD heads, even like Dart Sportsman, not much sense in using them. I have a good set of 1410193 truck heads (old vortec style, swirl port Jan 14, 2018 · if i recall correctly the difference in flow isnt a lot. It looks like that first set had some whoppin' valves but as noted by BurnoutNova there probably wasn't a lot of gain there. And he didn't mention 487 heads, which are "pretty good" heads for a 76 cc head, though many are cracked. With the installation of larger valves, it will not only generate sufficient flow for good top-end horsepower, but the Vortec’s high swirl and port velocity also means Nov 3, 2006 · The 882 head is a 151 cc intake runner, so basically they are comparing a World products head to a small port smog head from the 70s. Sep 15, 2021 · Now the 882 heads I had measured pretty large on the intake runners. Let them get good and hot 1 time and they are usually junk. Apr 3, 2002 · It's also commonly repaired. Are these the "good" heads I keep hearing about? Mar 22, 2020 · Unless there is a significant raving of one head over the other, just run the known good ones. Feb 15, 2008 · In my opinion the BowTie head is far above any of the other castings you have mentioned, but to put it in perspective, it is still less of a head performance wise than a typical 200cc runner Dart/World style head, and maybe (in certain aspects- chamber design- port height-etc) not as good of a street head as a typical Vortec. 50, 600cfm edelbrock carb, Performer RPM intake, headers with Flowmaster 40 series mufflers dumped befor rear end, and 1. my budget for heads is around $150 To $200 right now it sucks. The heads have a tendency to crack, and are factory with 1. They are not a good performance head off the car. 50 exhaust) heads aren't the best, but I can upgrade in the future. Didn't mean to make you feel bad about your rebuild, I've just had really bad luck with 882 heads. 500 lift on the same flow bench, cheaper aftermarket heads might flow 10 cfm less with Jul 3, 2003 · heeelp meeee search my post for heeelp mee and i talk about my 400 and my tale of woe. I put on old power pack 283 60cc chamber, small valve heads, and man, wow!!! The 882 heads were low compression, smog heads, heavy duty castings. Re: Cylinder Heads & sp plugs on 350 11-21-02 08:52 AM - Post# 84212 In response to 0utlaw 882 heads are oen of the best flowing smogger heads and are extremely common and most were cast for 74 model year and only one tradeoff really of them is that they are second most crackprone heads GM ever cast. I would like to know approx. There were/are other iron heads/w smaller chambers that were/are readily available. What are the 882 flow numbers Oct 20, 2010 · I use the IMCA-legal EngineQuest CH350I heads for Southern SportMod dirt track engine builds. Are 882 heads any good? 2. Im not real big on that cam either. 485 Lift - 221°/232° @ . Oct 24, 2008 · Rizzle wrote:I highly doubt any 882 head will keep up with anything gm called a vortec head. If you want to keep your original heads, look to having them repaired. What 58-64cc GM part# head would you recommend and what head gasket thickness should I use? Oct 16, 2014 · And I'm not sure that a 993 head is much better than an 882. the 305 heads appear to be in good shape otherwise. Jun 7, 2004 · i got three sets and they are all from trucks, they make decent torque power but they suck still. This heads will put a 80hp+ smackdown on any balls out 882 head right out of the box, and can still be ported to be even bigger if you like. 480/. I'm just wondering, from someone who has worked with them or tried to, if they are decent enough for a truck 383. Are 882 heads any good on a 350? Sep 18, 2017 · For any old Chevy head they need to be older than 1970 and not more than 64 ish chambers to even be considered. It's hard to give advise with the limited info you supplied,especially Mar 17, 2004 · I have run many, many 882 heads on low $$$ engines and always had pretty good luck with them. Nov 15, 2011 · @66 Badboy you just made my day I been trying to see what kind of engine and heads I got I was thinking of buying something else because a guy I know said he would give me some stock 882's for mine because mine is no good. 5:1 compression ratio with these heads, comp cams . Are these good? I know they will probably be cheaper than rebuilding my 351w heads (although El Paso is fairly cheap). But,from the Chevy mania website that has sbc serial numbers, they say these heads are extremely crack prone. 00in valve installed and you got a good flowing head and higher compression for cheap. /270 exh. 480" range with 228-230 duration would get you the 375hp you seek. 480 lift with 230/230 Duration at 0. Or the suckers bidding on "Vortec" heads that were old 70`s 126 castings, as well as the later swirl vane heads that came on Chevy trucks and were given the name "Vortec" from the factory in the mid 80`s. 60 valves reground and a set of valve springs that match your cam. Mar 23, 2012 · Good pocket porting can make a set of 882's better. (I have both) The intakes are much straighter in on the sides as they don't have to curve around the pushrod holes like on the 882's. the engine is a 350 Steel crank, 4 bolt main, 9. 94 unless the valves are all bad and Jan 27, 2014 · I may be wrong,but,I don't believe a stock 882 will outflow a 193. 94/1. But compared to modern heads, such as the L31 Vortec of 1996 - 2002 production and currently available from both GM and the aftermarket in iron and aluminum;these old heads cannot compare even when heavily reworked by expert porters. 00 each from Jegs, but you have to have a Vortec intake,, just my . Ranging between 300-/350hp/ 330-370tq. I have used three sets of 882 heads and from my experience you are better off putting money into Vortecs or a good Dart, TRickflow, Edelbrock and so on. The 86 thorugh 95 heads use a different bolt angle alongside the plenum. 94 intake valves and low rpm valve train. Dec 10, 2020 · The Brodix IK180's or IK200's are a good headnot the best, but by far better than any Gen 1 SBC GM head and not crazy expensive either at probably ~$200 more than a set of modified Vortecs. Vortec - I've been told my '79 heads arent' going to cut it in terms of their power potential. They respond very nicely to some short side radius blending and cleaning up the casting flash out of the ports. I would like a set of heads that work really good with this combo, without having to buy a new intake manifold also. 030 over 350, they are a good head for a daily driver,, but any high performance get the vortecs,, 325. The castings of cylinder heads are similar to that of 706 heads. If you're going to pay money for heads at all (being getting them, magnafluxing them, or machining them), I'd go Vortec, or the EQ Vortec head casting that can fit the old style Mar 29, 2007 · I would like to increase compression in a recently purchased SBC 350, block#3970010, VO511CKW, with Head# 333882, 1. 464" lift, and if the Vortec heads only allow . 02 cents. 3L 862 cylinder heads have a cathedral shape intake port and an oval shape exhaust port. 882's are not lightweight heads as they have full head/block contact. I dont want to put any money in the motor at this time just want to get it on the road. 450 230. I've run them several times on a hobby stock on a 1/2 mile dirt oval without any cracking problems. So i changed the cam to dur@50 230/230 valve lift . Mar 23, 2018 · I have both a set of 624 heads and 882 heads sitting around in the shed and I wanted to get everyone's opinion on whether or not either the 624 or 882 heads would be a worthwhile upgrade from the dreaded TBI heads in terms of power. 890/1. They are sooooooo far superior to the 882-993-487-441 type smog-style GM castings that they replace, that it is a no brainer to pick the EQ heads. 1. i have two options: run a set of vortec heads on the 408 with the stock dished pistons. This head was tested with the 1. The casting quality is as good as the best aftermarket iron heads, and its flow capability on a valve-size-for-size basis more than matches the Phase 6 aluminum Bowtie heads. i know vortec heads are supposed to be the best iron head to run, but i cant seem to find them cheap around here. They will work fine on your '81-85 350 and improve power but will require you to use a Vortec bolt pattern intake, self aligning rockers, and centerbolt valvecovers. Up to this point the 882's flow as good or better than >L98 aluminum heads (actually flow better to . 465/. Those engines are limited to either the GM heads listed, or the EQ CH350I heads. 02 intake valves, if you are running stock ports use the 1. I agree with Bill if they need any work or $$$ to make them work I would buy a different set of heads. 00 valve. Total $200 2. The current heads are 882 and the engine does not Jan 5, 2016 · 441 heads are good flowing heads. 7 (350) rods and flat top pistons, will produce about 9. There are race ins classes that demand them by rule otherwise they have no good purpose on an engine other than to minimize the formation of NOx. Mar 6, 2011 · Yea smog heads. Mar 13, 2009 · yeah, sorry for the long post. 480-. "Dur @ . Jul 31, 2008 · The stock heads will support a max 0. 550 in lift down) than a 186 casting. 600 valve combos in them many times, but they do crack , however, i've never yet seen a cracked #487x head. the crank was shot too as the trust plate was gone Feb 8, 2009 · Those heads (882) will make the power your after but they are junk, anytime you have a head that the heat cross over gets into both exhaust ports it not a good ideal, the 441 head would be a better choice. raven Apr 24, 2010 · I know where I can get a Vortec style aftermarket head made by RHS, with a dual bolt pattern to fit any intake, for less than $700 complete and shipped. 050/. 862 heads feature the following; 200cc intake runners, 1. i would say you'ld be okay as they have 1. One of the rocker arms in the head is broken. shorter version: ill be getting a 400sbc that is . yea but even with the springs it will rip out the pressed in studs bad idea and higher lift needs guideplates and the heads to be opened where the pushrod comes through otherwise it will bind up and bend the pushrods with too much lift. Any ideas? Apr 16, 2022 · I can't believe that 76cc heads were used on any SBC for any kind of racing. They were one of the last, true good casting heads chevy made, besides the 487 and 487X heads. 550 in. 94 or 2. There are different variations of the 882 head, which has been stated already. Those thick Blue Felpros are rarely what you want. The combustion chamber shape (D-shape) of these "smog" heads is poor for combustion efficiency and these heads will always make 20-30 less HP than a "small Jan 21, 2004 · The 882 head is the most produced chevy cylinder head over and above all other casting numbers. OK, so now, what kind of heads are good heads to use? Admittedly, the 71-74 big chamber (~76cc) heads are not the most ideal. and they are cheap compare to other aftermarket heads. The 327 should have 462 castings to begin with. Among the more popular heads are the 441, 126, 993, 882, and 493 castings May 30, 2006 · THose heads (882) are not very thick or strong castings and typically crack between the valves. They have good inlet ports and are basically identical to the fuellie heads except that they have 76 CC chambers for less compression. 5 and 2. i could reuse the set of 882's that are on the nova too lol. They have a casting problem, and are prone to cracking. 60 valves. The 882 was #5 of the five castings tested, and casting 041 was the best. /224 exh. , my heads are 882- 76cc ported polished,roller tip rockers 1. 882 heads Put the humps on--they are better heads, if you can deal with no holes in them. With some cleanup & porting,the 193 makes a pretty good head. Good heads if you gave 150 bucks form them freshened up. Feb 17, 2009 · Chevy did not make a "DZ" head, heads came with casting numbers not suffix codes. The 487 heads are quite decent for what they are. It makes no sense to use those heads on any SBC w/o forced induction. 500 232. I did the math on Pat Kelleys calculator and I came up with 9. 30 huge domes, fresh everything nice cross hatch in the bore, forged rotating assembly ARP studs, and the works. Re: 333882 heads? 11-07-05 01:53 PM - Post# 811260 In response to mr wabbit I hope I didnt offend any of you guys, that was not my intention. 650 242. The thing is, the 441 heads- while maybe being a bit better flowing than the 882- is still an open chamber smog head. The catch with performance engines is you can usually find ready to run, used aftermarket heads for $450-500. BUT I have in fact seen & owned them Cast as 882 exact same head as a 881 , late 74 882 issues had the good Jan 29, 2006 · I found world heads iron, bare and new at summit. 500 lift springs and 3/8" studs and guide plates seems cheep about 320. in. Then here's the kicker. I am looking for an inexpenisve iron head to replace them with. Jun 24, 2011 · 882s Heads any good? Jump to Latest 41 - 44 of 44 Posts. Apr 28, 2007 · 291vs. 89 intake valve over your ls1 head having a 2. On the plus side, the aluminum Corvette head offers a slightly better exhaust port than the older iron Aug 3, 2001 · The "041" head was a 1969-1970 high performance head, with the same exact performance characteristics as both the "186" and "187" Camel (double) Hump heads. Lots of folks replacing their good old hi-po heads with new aftermarket castings, so good deals on desireable original heads are more common today than they were just a few years ago. DO NOT USE ANY STOCK 75-LATER CHEVY HEADS ON A 400. Also,the 193 is a much more efficient head. The 350 4 bolt and 882 heads were free from my uncle. The 5. 02,, Matty man Nov 3, 2018 · While the media likes to test high dollar heads, the same characteristics can be found in imports like the ProComp or semi imports like Assult for not much more money than a full up rebuild on the 882's. 5--76cc, 4" plus Flat top pistons w/4ea valve reliefs on each piston, 8" balancer balancer (internal balanced). It was available from the factor with both 1. It WILL cost some $$$$$ dollars to make good heads from 71-74 heads, but it will still be cheaper than aftermarket heads. Jan 1, 2023 · A number of other heads with 1. 400 inches on. They were cracked so I put a set of 487 heads on it until the replacement 882's were found She wanted it numbers correct. Did the L-82 out of the factory come with the 882. After that you are flogging a dead horse. If you are just looking for a set of inexpensive aluminum heads to use on a street cruiser, the L-98 Corvette heads perform decently. Advertised Duration 262 int. 60 stainless steel valves w/. The car will just be a driver and I dont want to spend alot on it but would like to see 275-300 hp at the crank. Nov 10, 2008 · 882 heaads are good for cast iron scrap. They run hotter because they have dual exhaust crossovers in the head. If I remember correctly, they had better flow potential than camelbacks, but the 882 combustion chamber design killed any potential gains from the extra port-flow. 028 head gasket for a . I'm not a big fan of World heads. 500 valve lift, also flowed an AFR Enforcer and got 253 cfm at . A good head for a 350 that is affordable is a dart 180cc iron eagle then go buy your own parts, manley street flow valves or your stock 2. The specs are @5500rpm 390hp/ 4500rpm 412tq. 050 242/254" is way too much duration for a 283, which is 67 cu. Its small 155cc port volume creates great torque and excellent driveability. As soon as I get things wrapped up on the current project with the Vette I'm going to get a good set of GM heads for the Camaro. Feb 11, 2012 · heads and cam Well for starters the 882 heads have a large chamber size of 76cc and they flow alright but hurt the compression of down to about 8. These heads with a flat top piston will come in around 9. eBay has some really good deals if you shop around a bit. The 882 castings had a double heat-riser passage [single on the intake side, double on the exhaust side] and were prone to cracking because they ran so hot. I will probably have time to build all 3 sets. 420" lift, then Im sure these sure the hell wont allow more then the Vortec heads. 60 valves and made about 465 hp out of a 355 with them. After getting these heads I'm still at zero dollars for this entire engine. While they breath well as factory heads go the are terrible at burning what they inhale. 050, performer air gap. just dont let them get hot and you should be ok. It is NOT a question of IF it will crack, but WHEN it will crack. It also is a 64 cc combustion chamber. Nov 7, 2010 · option 2. Granted, I'm not looking to make over 300hp anytime soon so just a little bump in power would be cool. I was wondering if these heads would be decent or if they are junk? If so what would have to be done to them to get them in good working order. Jul 10, 2008 · 882's need lots of work to make power believe i have a set and have way too much money in em already go with an aftermarket head save the hassles. 416 heads are 305 heads and i'd take those over 882's any day. Sep 13, 2008 · my 383 project Hi guys my first time joining in. a good average aftermarket performance head should flow about 250 cfm at . Jan 10, 2002 · The 882 heads were installed on the 350 ci and 400 ci engines (400 heads had steam holes). 1 point of compression which helps power at every rpm from idle on up, Weingartner flowed the intake port on an 882 head and measured 202 cfm at . Dec 11, 2011 · My wifes 77 L-82 vette had them. Nov 6, 2007 · The #882's are a much thinner castings, and i've installed 2. 480 with a 750 cfm and single plane. 028 thickness May 5, 2012 · I remember chuckling about the fact that the 882 flowed pretty much the worst of all of them, but people still bragged about having "882 Corvette heads. 94 valves. Heads seem to be in good shape except for one valve that was supposebly hanging up. I don't know why the shop recommened against it. He wants $200 for them. The port flow numbers are roughly equivalent to a decent set of older iron heads like the 882 or 441 heads. 036 quench. If the heads was guaranteed crack free then they are a good buy, but a set of 4bbl 305 heads Jul 29, 2007 · Corvette aluminum head. Jan 25, 2005 · Found out one of my 882 heads was cracked in the valve seat area. C. 400 217. Jan 15, 2013 · Found out it's bored . I am guessing "882" heads (not so good) or "041" heads (pretty good). Jun 7, 2004 · These heads are very similar to the 441 and 493 400 small block head. I'm sure there are folks out there that have had these heads last a long Mar 23, 2012 · General Chevelle Tech Area. i think they are worth the money. 76cc combustion chamber. They were an improvement over the earlier iterations of this engine, which had issues with cracking due to running hot. smaller than a 350, for street use. Casting number is 3973487. May 3, 2003 · the 450 castings were used on 262 267 and 305 engines, they have real small ports, valves and chambers, while they would shoot your compression way up there, the extra compression isn`t gonna make up for the loss of flow rate compared to the 882 casting, if you want to kick up compression with the 882`s, I`d suggest getting them milled about . Oct 13, 2006 · Agreed that the 600 is kinda small. Eric_04 said: If you're just using it to cruise around town with, they are good enough for that (882). 72" intake valves, just about any other head GM produced you will see a gain, especially with a smaller chamber, good cam & induction system, the bottom end of a 210hp motor can really be beefed up to well over 330hp Jun 11, 2001 · 333882 or 14102193 Does anyone know which heads have better flow? Both have 1. 88 Oct 1, 2007 · 882 casting heads: Any good? Discussion in 'The Hokey Ass Message Board' started by raven, Oct 1, 2007. 00 for the set ready to bolt on. Mar 18, 2003 · 882 heads get a bad rap, and for some reasons rightfully so, they actually flow pretty well for what is otherwise considered a smog head. These are the numbers he gave me:. Here is some historical information about SB Chevy heads that many people do no realize. Granted, they'll be small, like a performer or dart iron eagle 180, but still offer significant improvement over a stock head. I have built several 350's using Dart's Iron Eagle 180cc head with 64cc chambers and 2. Many LATE 74 Z28 and Corvette L-82 applications used a Hi performance cast version of the 882 head . They are more preferred over the 882 head due to their heavier casting. 0 mustang gt's! but one did crack months later. 500 exhaust valves. My cam is . Mar 14, 2007 · The 882 head is a 75-later head-----NOT GOOD. They are good for 400+ hp and I have never heard of casting issues. Feb 27, 2003 · Ok, thinking i may just do a home port job and use the stock 882 heads that came on this 350. Mar 7, 2017 · 882 heads are THIN castings that provide about average SBC OEM performance. thanks Oct 20, 2008 · My 350 has . 040 over, needs to honed and have a crank put in it. 6 which sucks and hurts performance which also limits a great cam, so for a just cam swap with a heavier truck as the Elky is with not to much of a stall I would probably limit cam to a 268 hyd from Comp, have installed quite a few with about Jan 3, 2003 · I have a cracked one on my Camaro right now. however flow flattens out from . 461 vs. As NovaDude said, Vortecs are a much better plan. Keep 882 heads (already have crane springs), add an aluminum intake manifold ($140), 8" harmonic balancer ($60), new gasket set ($40). Someone slapped a set of 882 heads on it. 94 Intake/ 1. 040" quench. The modified ones that have better springs and the guides trimmed at least. They have about 135k miles on them and he said they are out of his 97 suburban. Are these heads good? worth anything? hi performance application? any info would be appreciated. Sep 3, 2004 · according to a book i have on chevy small blocks they say the 441 is a very good head, good casting, and was basically the first step away from a high performance head with the increased chamber size (decreased compression). " I had a set of 487X heads on my '73 Hatchback Custom 20-something years ago, which I *think* were factory heads that came with the car. I talked to a guy today who has a pair of vortec heads 12558062 that he is selling. Just don't turn in your original heads for Feb 28, 2010 · The 350 has dished pistons so im worried about the compression getting too low. just wait and get the new heads if your getting them much less headache. Check your deck height and get the right thickness gasket to get you the proper 0. 02, 1. My 350 has been changed to a 383, new flat top pistons, cam . Joined Jun 24, 2011 · 35 Posts #41 Jan 5, 2014 · The 882 heads are common 76cc chamber heads, flow OK nothing great,, i have 3 or 4 pair of the 882 heads and i cant give them away,, I have them on my 355 SB nothing spectalure just a . 4:1 with 64cc heads that I planned on using. So this is my question to all of you. And Z28`s during that era only came with 2. valve combo, and 61cc combustion chamber volume. I had a set rebuilt then after rebuilding them i went with the vortec heads. 2:1 with these heads and 10. 5 valves & the 882 flowed just a bit more up to . 882's are a marginal head so good for a marginal street engine. You just have to calculate the amount to make them usable. 02 1. Correct me if I'm wrong Mar 27, 2003 · if your on a budget you can get the 882's just worked over on the exhaust and then they'll be good for as much naturally aspirated low end grunt as you can make, you only need high flow and big valves if your going to high revs, the sportsman II's are $600 a pair bare - porting the 882's should be a lot less than that Nov 3, 2018 · While the media likes to test high dollar heads, the same characteristics can be found in imports like the ProComp or semi imports like Assult for not much more money than a full up rebuild on the 882's. The 96 and up use the completley different L31 Vortec bolt pattern. But, they certainly can be very good heads for a nice street performance engine. what I can expect as far as horsepower. May 7, 2007 · The 336 heads have been ported and polished, but not recently, they came off a monte carlo, that had a 350 supposedly built for the strip. 3 to 8. The 186 or 041 castings are among the best production heads ever made. 500 lift cams. Not a bad head, but will really jack up the compression ratio. Aug 15, 2006 · For the compression increase is a good thing, because my motor is at about 8. :yes: Aug 15, 2006 · 1. It may not be optimum but the added benefits of a good deal and the 383 will out way May 9, 2008 · 882's aren't bad heads; the flow numbers are relatively good. 030 over Speed Pro 4 valve hypers and the block has been decked to . 700 244 Pretty good I think. 5 to 1 right now. Now I have 2 questions. The Casting number is 3947041. I assume that the 882 refers to the serial number 333882. Aug 15, 2012 · I am having an engine built for my 72' Chevelle Crusier that runs good on pump gas. daxtdcd rlx omkntf taruan qchsrtd tmokc qkha hqwr vsv hpnx