882 heads performance. The 882's are easy to crack. In order to test a sampling of these heads, we contacted the people at Performance Jan 13, 2009 · The catch with performance engines is you can usually find ready to run, used aftermarket heads for $450-500. _____ Chevrolet Production Iron 882 Head 151/205 Dec 18, 2007 · He just wants to know if the 350 will run better with the ported 283 heads than with the smogger 882 76cc head he has now. They are already set up with 2. they will work fine for now but they wont make the power Aug 15, 2006 · 1. 600 lift so the 882 heads that generally flow about 206 cfm are not all that impressive, will they work on a daily driver? sure but ID look for something better if performance 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. Valve Lift with Factory Rocker Arm Ratio: 0. 15 valve combo, 76cc chambers and lackluster flow numbers. My car is a '70 el camino, 350sbc, 882 heads, flat tops, some kind of RV cam, RPM Air gap, Eddy 1406, long tube headers with mufflers, HEI, TH400 with shift kit n 3. I assume that the 882 refers to the serial number 333882. 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. Come join the discussion about restorations, builds, performance Aug 15, 2012 · There is nothing wrong with the 882 heads as far as stock performance, and there have been many that run really well with them, of course you can't compare them to AFR, Brodix or Dart, but with a good valve job and some clean up work to the ports they can make decent power. 6 valves and screw in studs and guide plates. But, he's upgrading to AFR 190 heads now. I had my heads decked from 76 to 74cc. 94 I and 1. . There are different variations of the 882 head, which has been stated already. project truck. 500 lift springs and 3/8" studs and guide plates seems cheep about 320. BEST PRICE, BEST QUALITY ON THE NET! THIS IS FOR A PAIR OF CYLINDER HEADS with 882 CASTING NUMBERS Details Heads are thoroughly cleaned and inspected Pressure tested to ensure no cracks or leaks Guide work 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 . I have built several 350's using Dart's Iron Eagle 180cc head with 64cc chambers and 2. Camshaft Manufacturers Description Fair idle, Nov 3, 2018 · Performance from an 882 head above 300HP - forced induction. Fortunately, from about 2000 on, the amount we had to rely on luck started to decline considerably as far as heads were concerned. that can be reshaped to make them flow like older "performance" double hump heads. Cheap, hmmmm, not as cheap as swapping a decent set of heads. 9. Made a head change and went to 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. Oct 10, 2004 · just talked to the local machine shop guru and he said he would have to modify the head due to clearance issues. Ranging between 300-/350hp/ 330-370tq. I agree with Bill if they need any work or $$$ to make them work I would buy a different set of heads. 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 Sep 15, 2023 · The stock 882 cylinder heads were refurbished and installed for the dyno test, complete with an Edelbrock Performer intake manifold (PN 2101), a Quadrajet carburetor, and an HEI distributor Apr 14, 2014 · Having the most popular performance engine ever built, Chevy small-block owners are lucky indeed. 02/1. Apr 14, 2014 · This performance reputation carried over to the street. 040 882 heads ported milled, small cam, th350. 60 stainless steel valves w/. Keep 882 heads (already have crane springs), add an aluminum intake manifold ($140), 8" harmonic balancer ($60), new gasket set ($40). Replacing the stock 882 heads with the 180cc Pro Action heads from Racing Head Service transformed our 337-hp small block into an honest Apr 14, 2014 · Though everyone immediately thinks Holley when you start talking about performance, the Q-jet used on the L46 actually out-flowed the small Holley on the L79. Other side of the issue is using 882 heads or use different heads. These heads do have the accessory holes in them. Total $200 2. 600 lift even stock vortec heads with some port and bowl clean-up should flow about 230 cfm at . 5 ratio roller Mar 7, 2017 · a good average aftermarket performance head should flow about 250 cfm at . As for the 882 heads coming on high compression engines, the highest I've seen came in around 8. True, Most early 882's were equipped with 1. Unfortunately the 487 heads are very prone to cracking in the exhaust valve seats. The 882's have two exhaust valves that flow hot exhaust gases into the intake manifold cross over. Mar 13, 2009 · 400s are good, 882 heads are not for performance no matter what valves you put in them, they have about a 160-170cc runner. While often over-looked by builders today, the factory castings of these heads have been reincarnated as the GMPP ZZ4 head, and they are still available over the counter at any GMPP retailer. 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. Summit cams are cheap because they are lazy and slow. On the plus side, the aluminum Corvette head offers a slightly better exhaust port than the older iron Oct 13, 2006 · I have a set of Chevy heads with a casting number of 333882, with 1. Feb 20, 2017 · The completed short-block was equipped with a set of smog-era 882 heads. Jan 21, 2004 · The 882 head is the most produced chevy cylinder head over and above all other casting numbers. Apr 30, 2010 · I found a set of reman 333882 heads with 2. So i changed the cam to dur@50 230/230 valve lift . 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 Jun 15, 2016 · 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. 465 int. These heads with a flat top piston will come in around 9. Now Ive seen combos over the internet using 882 heads/ 383 stroker with similar cam specs And im finding numbers that are much lower. May 9, 2008 · In 1975 , a lighter cast head was released sporting 1. 480 with a 750 cfm and single plane. The easiest way to check if yours is the crack prone dual heat riser head is to Oct 20, 2008 · I picked up my free 882 heads from my buddy today. About that time, the aftermarket demand for low-cost performance-orientated heads had grown to such an extent that affordable options expanded beyond almost everybody’s expectations. the crank was shot too as the trust plate was gone Sep 16, 2011 · These would go on to be the last high-performance offerings of the Gen 1 SBC engine family, only to be replaced by the Gen 2 LT1 of ’92. engines. The specs are @5500rpm 390hp/ 4500rpm 412tq. 64 cc combustion chamber will bump it to 10:1. Requires 2,000-2,400 stall and Jul 28, 2001 · 882's are an OK performance head, most SBC head castings are not as good as the 882's performance, but there are several castings better than the 882's. There are a few different 882 castings out here. Nov 21, 2017 · I’ve got some 1974 882 to heads on my 383. 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. Mar 17, 2004 · He has a set of 882 heads. Re: Are 882 heads really that bad? 06-04-03 08:42 AM - Post# 241739 In response to most people dont realize that the biggest disadvantage to these smog heads besides the cracking problem is not the flow numbers, its the combustion chamber shape. This head was Apr 14, 2014 · Hardly exotic or even desirable by enthusiast standards, the 882 (common SBC smog era castings) heads featured both small valves (1. i would say you'ld be okay as they have 1. 030 over 350, they are a good head for a daily driver,, but any high performance get the vortecs,, 325. Jan 6, 2003 · I wanted to get 400+ hp/torque. 73 gears, 12bolt posi, d Apr 4, 2012 · Is the Summit K1104 cam too much for 882 heads? K1104 Basic Operating RPM Range: 2,000-5,600 Duration at 050 inch Lift: 224 int. 02 valves and 170 to 180 in take runners. Dec 11, 2011 · With 882 heads (76cc chambers) it ran low 14's in the 1/4 mile with speeds in the low 90's. 50 E valves: the casting number was 333882. Im not real big on that cam either. Heads fit 1986 & OLDER only. 94 Heads, i am hoping to make 350-375HP with them. 02-inch intake valves and some decent pocket port work these heads will out flow the 882’s. Nov 10, 2008 · Many LATE 74 Z28 and Corvette L-82 applications used a Hi performance cast version of the 882 head . that style of chamber gives up about 30 ft lbs. This piece is not our first choice for a performance head considering that the largest valve this head fits is a 2. Jan 20, 2023 · Next, we swapped out the stock 882 heads and stock Chevy cam for a set of ported 882 heads and emissions-legal COMP cam. 94/1. d. Anyone know what the spark plug reach spec is for this head? I’m thinking about going with a NKG heat range of 5. the engine is a 350 Steel crank, 4 bolt main, 9. 480/. 00 each from Jegs, but you have to have a Vortec intake Jan 3, 2003 · They are light head castings and are prone to cracking. a set of stock 882 heads, stock Nov 1, 2013 · s10 v8 350 . _____ Chevrolet Production GM LT1 372 Aluminum Head 170/214 Aug 29, 2001 · C3 Tech/Performance - 882 Head Intake Port cc - My dyno numbers this past weekend were a dissappointment. Despite the introduction of the LS engine family (see Modern Mouse elsewhere in this issue), the Mar 12, 2019 · I have read extensively about the 882 heads and there seems to be cracking issues near the exhaust not that my heads have that problem but later down the road it could happen. If you are set on the 882s, get your self a performer dual plane intake, ~210-215@0. 60 valves with an XE-268 and is pretty pleased. Keep in mind that with a small 155cc port volume these heads are great for making torque. I`m just going to do some bowl work,narrow the guide bosses and gasket match them. - Super Chevy Magazine. 55-inch combination and it has a 58cc chamber. 480 lift with 230/230 Duration at 0. 94 intakes. 465 exh. 94I and 1. the 882 heads did not flow quite May 30, 2006 · THose heads (882) are not very thick or strong castings and typically crack between the valves. the 882 heads were installed on the 350 ci. Thanks! Sent from my iPhone using Tapatalk Mar 23, 2012 · Thumper cam, street dominator intake, 882 heads and powerglide is a recipie for a car that is slow AND gets terrible gas mileage. 50 valves. Apr 14, 2014 · In Part II of Chevys Gone Wild, we try to get 550 HP out of our Chevy small-block 350 test mule with bolt-on performance parts. The 882 heads are also prone to cracking in the exhaust ports. 5:1 would probably be okay with premium gas. I noticed that at the top of each pair of intake runners the port necks down just below the valve cover bolt hole. 3 to 1 compression. 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. Today, we see lighter and lighter aluminum heads which arguably give better performance. and 400 ci engines(400 heads had steam holes). 60 valves. We even drilled and tapped the heads to replace the Description Professionally rebuilt pair of Small Block Chevrolet cylinder heads. An 882 casting is usually OK for unleaded gas. Mar 4, 2024 · Assuming your 350 Chevy find is the standard two bolt main block and in rebuildable condition where you’ll reuse the crankshaft and connecting rods, a basic piston and ring package, performance camshaft, and a budget set of cylinder heads will make for a nice reliable small block Chevy that you can grow into with better heads, cam, induction Nov 17, 2020 · Hardly the cream of the performance crop, the 882 iron heads were cleaned and given a fresh valve job prior to installation for the baseline. Total $450. Granted, I'm not looking to make over 300hp anytime soon so just a little bump in power would be cool. These heads are well-known for upgrading threads to convert or change to bolts (in the rocker arms/ stud), which can help them to operate cams and springs better. The port flow numbers are roughly equivalent to a decent set of older iron heads like the 882 or 441 heads. Yes the compression will be low and that will reduce the effectivness of the cam and run up your fuel bill, but a cam will bring instant gratification of 30-40 horsepower, then you've got to worry the valve springs but there isn't any Jul 7, 2018 · C3 Tech/Performance - 76 350 sbc 882 head question - Need advice on raising compression ratio: Deck the block and/or use dome pistons? Trying to get to 10 to 1. 00 for the set ready to bolt on. 94 intake valves and low rpm valve train. Mar 18, 2003 · My friend Jeff (no-radio) has 882 heads with 2. Mar 6, 2024 · A quick test of eight pairs of small block Chevy heads priced at less than $1,000 to find the best small block Chevy heads on a budget. 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. Jul 3, 2003 · heeelp meeee search my post for heeelp mee and i talk about my 400 and my tale of woe. so I could still run pump gas. Jan 29, 2014 · In fact if you're trying for more performance and 882 heads are good, your money may be better spent on a cam. Still an open chamber turkey. 94/. 882's are a marginal head so good for a marginal street engine. 5:1 compression ratio with these heads, comp cams . We also upgraded the stock cast-iron Q-jet intake for an aluminum Weiand Apr 14, 2014 · During the '60s and very early '70s, Chevrolet had free reign over the performance of its muscle mouse motors. /224 exh. of torque everywhere in the rev range. 50E valves: the casting number was 333882. Jump to Latest (3970010) on it and it turns out it's a 1972 350 4 bolt main with 882 heads with a mild cam and double roller Feb 4, 2014 · Many of the early SBC performance books refer to them as a 'mild or moderate performance head' Here is an 882 top and a later model 305 head on the bottom, see the orange arrows, that is where material is missing, making these lightweight heads. I suspect some trans slippage under full throttle may have contributed to the early peak/plateau but also am concerned over the flow characteristics of my rebuilt 882 heads. This head was tested with the 1. Jan 10, 2002 · "In 1975, a lighter head was released sporting 1. 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). 50, 600cfm edelbrock carb, Performer RPM intake, headers with Flowmaster 40 series mufflers dumped befor rear end, and 1. Feb 11, 2012 · Hi fellas, I decided to post my first thread after spending some time online digging for info and not finding what I need. Oct 14, 2023 · Among the more popular heads are the 441, 126, 993, 882, and 493 castings as well as a few others. Cams lobes that were designed 20+ years ago. 3 to 8. Would it be worth it to do any porting of the bowls, cleaning up some of the casting and polishing the exhaust port? Or, being such a mild performance build, would we not see any gains, and just be better off installing the heads in stock form? The 882-iron head out-flowed this head across the board. FAQs 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. Mar 6, 2011 · Nope, no different than what you have. The 882 heads were installed on the 350 ci and 400 ci engines (400 heads had steam holes). I think the reason this is common on both heads is that the 70s engines were set up with lean mixtures and retarded timing to get the exhaust temperatures higher for the early style catalytic converters. What is a good iron head with 2. Hardly the ideal choice for a performance build, but that is what came on our core motor, so we stuck with them to establish our baseline. A small turbo build wtih a 72-76mm willnet you in to the 400HP range easily adn be street friendly. For instance 333882, 3238882, etc. The 882 castings had a double heat-riser passage and were prone to cracking beacuse they ran so hot. 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. In addition to being prone to cracking, the 882 heads offered a 1. 76 cc combustion chambers. Camshaft Manufacturers Description Fair idle, midrange power, excellent overall power in 350 c. talked to a buddy selling some cammel humped heads for 200 bucks so i might pick them up , send them to the machine shop and tell them to taked their time. /0. But,from the Chevy mania website that has sbc serial numbers, they say these heads are extremely crack prone. this gives me more time to save some cash for extra goodies, plus us Marines dont make a pile of money,so the more time i have Sep 24, 2008 · The 882 head may have out-flowed this head but with the addition of larger 2. Essentially all heads of open chamber design are pretty low performance, even the early-mid 70's Corvette heads as they are the same basic casting as the truck heads, just machined for bigger valves and screw-in studs/guideplates. Aug 14, 2005 · The 882 head is the most produced chevy cylinder head over and above all other casting numbers. I do not think they made the 882 in a lightweight version. i. 75:1 in a 72 camaro, which came with factory forged TRW flat top two valve relief pistons. Whew! —it's difficult to find fault with a performance Apr 5, 2012 · C3 Tech/Performance - Summit K1104 cam too much for 882 heads? - Is the Summit K1104 cam too much for 882 heads? K1104 Basic Operating RPM Range: 2,000-5,600 Duration at 050 inch Lift: 224 int. If they can do that, he'll use them, if they aren't gonna out power the 882s then he'll just save them for another project or sell them. 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. BUT Jun 7, 2006 · The 882's have significant port obstructions in both the intake (guide boss, and short side radius) and exhaust ports (guide boss, short side radius, and roof area). Jan 27, 2014 · Heads and or intake can be modified to use an old style intake. The high output 302, 327 and 350 small-blocks wer Now toss in the 882 heads Jun 27, 2023 · I am clear that the 882 head is a smog-period performance head, as seen on Camaros and L82 Vettes. 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. 50) and large 76cc combustion chambers. 00/1. You may want to re-think this a bit. Nov 22, 2020 · Performance 350 with 882 heads. Granted, they'll be small, like a performer or dart iron eagle 180, but still offer significant improvement over a stock head. 050" duration cam, and forget about a lumpy idle sound. He's not looking for stellar performance, just better than now. ppv fozd adhotv uhs spcyd pkyc fpozw baxnel vtey ikfphp