Sbc heads 882

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CLEAR ALL. SBC SB Chevrolet 350 IMCA Assembled Heads 1969 – 1985- Part #EQ-CH350AA. Universal, Intake Runner 178cc, Combustion Chamber 76cc, With Heat Riser, 69-86 Intake Manifold Bolt Pattern, 7-Bolt Hole Exhaust Mounting, Straight Spark Plug, Perimeter Valve Cover Holes – ASSEMBLED. Made from the highest grade cast iron.21341 posts · Joined 2000. #6 · Jul 12, 2009. All you need is a good set of 64 cc chamber double-hump heads and .015" or .020" thick shim headgaskets w/ a Q-Jet top end and a true dual exhaust and you will get her up to 275/300hp. Add a 268/270/272 cam and you will be up at 330 hp. Add headers and above 350 hp. pdq67.Hello all, The heads I'm working with are the 882's. My books say these heads where produced from 1974 to 1980, and that they where put on 350's and ... Chevy-Small Block; 350-400 882 heads; Welcome to Club Hot Rod! The premier site for everything to do with Hot Rod, Customs, Low Riders, Rat Rods, and more. ...Rick_L. 40123 posts · Joined 2007. #11 · Oct 10, 2013. There are factory D ports - LT1 and fast burn are two. Again, there are no factory round ports. Most Chevy exhaust ports are square/rectangular with a radiused corner, as said. If the intent of this question is how to select an exhaust gasket or header, the rule for gaskets is that ...Im getting ready to purchase a set of AFR SBC heads and i cant decide which to go with. The 180cc intake runners or the 195cc runners. Im wanting to get as much power and torque as i can with my application. Especially by 2500 rpm, since that is the approximate stall of the torque converter. here are the current engine specsFind many great new & used options and get the best deals for SBC+Chevy+GM+Cylinder+Heads+458642+Fresh+1.72+1.50+Camaro+Chevelle+Corvette+72cc at the best online prices at eBay! Free shipping for many products!1973 heads would be the 993's for the 1.94's and did not have the hard seats or at least wasn't good enough to tell. I've done dozens of them and they are soft. 882's did have the inducted seats but are crappy heads. The problem with the factory seats is they get hairline cracks and eventually crack all the way.

GM 350 5.7 V8 Cylinder HeadPart#: K380CONE (1) Complete New Cylinder Head Year: 1969-87Models: TruckEngine Size: 4.8 5.3L V8Cast #: 624, 882, 114, 388You will often hear sbc heads referred to by the last three numbers of the casting, which is a simpler way of referencing them. ... #11 · Apr 26, 2011. The 882 heads are 350 smogger heads with 76 cc chambers = lousy ports and very low compression The 416's will work a ton better and will have no issues with unleaded gas.10% More Air Flow Than The Original Iron Eagle Heads! In 1997, Dart revolutionized the small block cast iron cylinder heads market with the release of the Iron Eagle. Now, Dart gives you the next generation Iron Eagle known as the Platimum Series. Using proprietary Speed Flow technology, Dart has developed more efficient port designs with improved velocity and flow capabilities.As an example, we have tested a 383ci small-block with 9.5:1 compression using a set of 190cc AFR heads, a set of 1 3/4-inch headers, a dualplane intake, and a Comp Cams hydraulic roller camshaft (236/242 degrees of …travis wrote: ↑ Sat Jul 25, 2020 3:19 am I've got a few sets of useable iron 76cc factory sbc heads left that I would eventually like to use on something. I'm thinking 350-400hp, 224 to [email protected] intake duration stuff for some budget street builds. With a 0 deck and a .125"-.150" dome which is typically around -4cc volume, this would create right around 10:1 compression.

11-21-02 07:45 AM - Post# 84206. In response to JimKshortstep4x4. One of the most popular bread and butter 350 smog heads are 882's which have a 76 cc chamber and many have small valves. They are NOT performance oriented. I prefer Autolite plugs gapped at .040 using 53K volt (Hypertech coil, cap, rotor combo) on a HEI.What lift is a max for a stock 350 SBC with not making any mods to the heads ? , the heads are 882 heads . I was thinking on CC extrem line ,maybe 262/270 ,462/469 lift ,to much for a stock 350? ,it will be running a Jeep CJ7 ,4x4 . 71 GMC SPRINT new 496, still tuning 11.44Chevrolet Production 441 Iron Head 155/201. The 882 head may have out-flowed this head but with the addition of larger 2.02-inch intake valves and some decent pocket port work these heads will out flow the 882's. Keep in mind that with a small 155cc port volume these heads are great for making torque.Shop Cylinder Heads at Summit Racing. Save Up to 10% on Select Holley Family of Brands Products - Shop Now! Vehicle/Engine Search Vehicle/Engine Search Make/Model ... Aluminum, Assembled, 64cc Chamber, 185cc Intake Runner, Chevy, Small Block, Pair See More Specifications | Check the Fit. Edelbrock E-Street Cylinder Heads 5089 EDL-5089. 4.5 out ...

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FULL RESULTS & VIDEO! 2 TESTS! 350 VORTEC HEAD & CAM UPGRADE. UPGRADING THE LEGENDARY L82 WITH ALUM HEADS & CAM. Are the junkyard Vortec heads the best bang ...Dec 11, 2007 · with 10.5:1 cr, a compcam 292H, proper valve springs, headers, performer rpm intake, and a holley 750, those heads could make 380 to 400hp. But you would also need 4.11 gears and a 3000 rpm stall converter. That same engine with a set of dart 200cc iron eagles or a set of 195 afr's would make 450hp. Like.291vs.882 heads. Put the humps on--they are better heads, if you can deal with no holes in them. 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. They were one of the last, true good casting heads chevy made, besides the 487 and 487X …41 posts · Joined 2021. #3 · Dec 20, 2021. Depends on your power goals but for a street motor I will throw a vote for the Brodix IK 180 or 200. For around a $1k they are ready to run and flow really well. I'm running the IK 180 cc's in my 383 ( US cast and made) , some will argue they are too small, but they flow better than 200 cc's except ...And the flow numbers don't support your exhaust opinion. Not arguing, just stating facts. Some common heads and their average E/I flow ratios from the srweiss website: Bowtie: 69% 441: 69% 461: 63.4% 462: 67% 882: 73% L98: 77% Vortec: 73% Numbers don't lie. Vortecs have a better E/I ratio than many of the common factory heads.

4461 posts · Joined 2005. #3 · Feb 21, 2006. I'd be willing to jump on the 376450 bandwagon. Mortec.com lists a 376450 for a 75-81 262/267/305 engine with six or seven exhaust bolt holes and 60cc chambers. The info Mortec lists coincides with the casting date and engine you say your heads came from. They do not list a 378450 on their site.Since the introduction of the small-block Chevy in 1955 up to the late 1990s, a small budget meant a limited choice of heads for performance. Until the turn of the millennia a restricted budget meant buying cylinder heads from a wrecking yard, a private third party source, a swap meet, or a reputable discount performance auto supplier.Hardly exotic or even desirable by enthusiast standards, the 882 (common SBC smog era castings) heads featured both small valves (1.94/1.50) and large 76cc combustion chambers. The heads showed ...Porting small block chevy 882 casting cylinder heads. I am not a professional, just trying out a little bit of porting. I open up the intake port, exhaust po...Gm 487 /441and 882 SBC cylinder heads -. $300. I have five sets of SBC heads, all of which have undergone hot vatting, cleaning, and magnafluxing to detect cracks. The sets include one set of 441 heads, two sets of 487 heads, and two sets of 882 heads. They have all been thoroughly inspected by a reputable high-performance machine shop and are ...Our lineup of small-block Chevy production heads is (from left to right): 128 ('87 Corvette), 882, 487, 126, 441, 993, 113 ('88-'89 Corvette). The 113 'Vette head is virtually identical to the 128 ...Some of the 487x heads came with 2.02 1.60 valves from the factory. When I did the research some sites said all 487x heads came from the factory with the bigger valves I have seen them both 1.94s and 2.02s. I cant remember the exact difference between the X heads and the regular 487s but I want to say and could be wrong but X heads should have ...I did extensive flow testing on several of these particular castings, and was not very impressed with their flow characteristics. The 441 or 487 are a much better large chamber head (in my humble opinion). The 882 intake port is very close to that of the 624, the exhaust side is where the 882 is weaker. " Quote from sbc cylinder heads.com350 Chevy-Weiand vs Heads/Cam vs RPM Air Gap The next upgrade involved a cam change and ported cylinder heads. Previous testing had shown that the Comp COMP PE246 cam alone can be worth 30-35 horsepower, but the combination of the ported 882 heads and PE246 cam increased the power output of the small- block to 341 hp and 401 lb-ft of torque.

SBC Cylinder Heads 882 - $350. SBC Cylinder Heads 882. -. $350. ♥ best of [?] SMALL BLOCK CHEVROLET CYLINDER HEADS CAST # - 1980 350 / 400 CI 1.94 INTAKE VALVES 1.50 EXHAUST VALVES 76 CC NEW VALVE SPRINGS NEW RETAINER LOCKS VALVE GUIDES KNURLED HOT TANKED CHECKED FOR …

Microsoft Excel features alignment options so you can adjust the headings in your worksheet to save space or make them stand out. For example, if a column heading is very wide, cha...The all-new E-Street head is a completely new approach to Edelbrock deck topper castings because it offers entry level performance in the 300-400-horse arena. It is a great street head that's good to go for your Bow-Tie project. You've met E-Street from Edelbrock. E-Street meets Silicon Valley with cool CNC technology and a ported Chevy ...Al Covin 's book CHEVY BY THE NUMBERS notes/verifies this oddity of the 881 & 882 Castings being excactly the same late in the 1974 year . Just sold an extra set of the good 2.02 /882 cast heads . Many times the nicer HP 882 heads can be picked up cheap as people don't realize which version they have."If you are going to use a mild flat tappet cam the 882 heads are pretty good up to .400" lift. I am using a '76 Corvette engine with .010"/.010" reground crank and 0.030" overbore with the 882 heads shaved to 73 cc chambers along with a three-angle valve job. I also paid a shop to smooth out the exhaust ports.Received 0 Likes on 0 Posts. Re: 882 vs. 461 vs. Vortec (79Corvette02) The "492's" and the comparable "186's" were on the 370 HP LT1,,these are really great heads and with a little pocket porting will support at LEAST 400 HP! I have found these heads on E-Bay for less than $250 at times. A great article here!CLEAR ALL. SBC SB Chevrolet 350 IMCA Assembled Heads 1969 – 1985- Part #EQ-CH350AA. Universal, Intake Runner 178cc, Combustion Chamber 76cc, With Heat Riser, 69-86 Intake Manifold Bolt Pattern, 7-Bolt Hole Exhaust Mounting, Straight Spark Plug, Perimeter Valve Cover Holes – ASSEMBLED. Made from the highest grade cast iron.Item description from the seller. 1973-1980 Small Block Chevy SBC 350 400 Heads 333882 882 1.94/1.50 Valves. Pair of heads to rebuild. Missing a few springs. Part # 333882 Dates J-5-3 & A-29-6. Thanks for looking and have a nice day!!! #628M. Seller assumes all responsibility for this listing.

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THose heads (882) are not very thick or strong castings and typically crack between the valves. I agree with Bill if they need any work or $$$ to make them work I would buy a different set of heads. 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. Made a head change and went …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 5.0 mustang gt's! but one did crack months later. then went to low mile junk 82' vette heads because my 78' nova was my only car in HS and shortly went to ...Dec 11, 2011 · It's easy to get $7-900 or more into a set of old iron heads, before any porting, with basic machine work, valves, springs, guides, studs, and such. I got my $882's redone for just over $200 at a bottom of the barrel machine shop, and other than low compression, they run fine on my cruiser 350.Originally sold bare, so valve sizes are dependent on machining. All 400ci small-blocks utilize Siamese cylinder walls. This design caused the cooling system to develop hot spots and that is why the 400 heads have steam holes. 25534351C: 2004 Bow Tie, cast-iron, Vortec, 175cc intake ports, 65cc exhaust ports, 2.02/1.55-inch valves.1973 heads would be the 993's for the 1.94's and did not have the hard seats or at least wasn't good enough to tell. I've done dozens of them and they are soft. 882's did have the inducted seats but are crappy heads. The problem with the factory seats is they get hairline cracks and eventually crack all the way.America's favorite high-performance cast iron small block cylinder heads offer big power and bigger value. Chevrolet Vortec Cylinder Heads' fast burn combustion chamber and high-velocity ports combine to produce big horsepower. Vortec Heads can be mildly ported for additional performance and milled up to .040'' for increased compression ratio.max valve lift on stock 882 heads. Hello I have been looking all over the place and can't seem to find it out. I am trying to find out if I can run Summit cam SUM-1102 with .421/.444 lift and 204/214 Duration and 112 lobe sep. The heads I am running are stock 882 casting heads with 1.5 rockers. There is a top end change planned for the spring ...124 posts · Joined 2009. #1 · Sep 11, 2010 (Edited) Hi, I read in a restoration book that pre- 69 SBC engines did not have accessory holes in the front of them. If that is true then my heads are most likely not 327 heads. I have done some number decoding and my rear end came from a 68. The powerglide numbers match up and looks to be original.882 heads are not as bad as some say, I have 390hp out of the motor in Kims wagon. All I had done to the head was have them cleaned up, new valve guides …Another SBC 350 882 Heads thread. Hi guys! I have an L82 engine (4 bolt, forged crank and Pistons) wich I wan´t to rebuild for a friends 69 El Camino, currently powered by an 307/350. The L82 came with 882 cast iron heads with OEM screw in rocker studs and guide plates. Although I know these heads are considered basic smog heads that don´t ... ….

Part# 4690-16 looks to be what you need. .120 shim is needed to eliminate the rotators. The spring pockets are deeper on the exhaust for use of the rotators on most SBC heads. You could also use -.050 locks and a .060 shim. 95 GMC 350 TBI 200/206 .428/.458 Hydraulic roller cam L98 iron heads, Thorley headers. Like.This head is engraved and serial numbered by Engine Quest for IMCAs Sport Mods, Stock Cars, and Hobby Stocks. Now approved for WISSOTA Midwest Mods and Street Stocks. Assembled heads will include the following: 3/8" screw in studs # 915-99156 76 cc combustion chamber 176-178 cc intake runners Straight plug 1.94/1.50 intake/exhaust valves #910-14140-1 & 910-14145-1 Available bare or assembled ...Description: 71-82 Chevy SBC 400 882/997 Cylinder Head. Upgrade your Chevy small block engine with our Remanufactured 71-82 Chevy SBC 400 882/997 Cylinder Head. Designed to exceed OEM specifications, these cylinder heads are a perfect fit for your 6.6L - 400ci - V8 engine. With the part number ALL-20201, you can easily find and order these high ...Rebuilt 350, flat top pistons, 882 heads, street dominator intake, holley 650 carb, but i went with the comp thumper cams and a rebuilt 700r4 with alto red clutches. …Performance Cylinder Heads: This time around, we'll opt for 195cc Eliminator Street cylinder heads from AFR. Designed for the Chevy 350, these heads boast 65cc combustion chambers, a 2.05/1.60 valve package, and are engineered to support over 550 hp. Ideal for high-performance applications, they greatly improve airflow and efficiency.882 SBC heads. Jump to Latest Follow 7K views 26 replies 14 participants last post by Pwrtrip75 Mar 12, 2007. B. burkej62 Discussion starter 1865 posts · Joined 2007 Add to quote; Only show this user #1 · Mar 9, 2007. The heads from my 350 say 333882 , I did some searching and seems like these were smoggers . ...Oct 20, 2008 · porting 882 sbc heads. I picked up my free 882 heads from my buddy today. They are already set up with 2.02/1.6 valves and screw in studs and guide plates. I`m just going to do some bowl work,narrow the guide bosses and gasket match them. I noticed that at the top of each pair of intake runners the port necks down just below the valve cover ...Valve Stem Seal, Chevy, Small Block, LT4, Each. Part Number: NAL-10212810. 5.0 out of 5 stars. Estimated Ship Date: Today...Loading Estimated Ship Date: Today. Mahle Original Valve Stem Seals SS45921. Mahle Original Valve Stem Seals SS45921 Valve Stem Seal, Metal with Molded Rubber, Hat Style, GM. LS Engine, Set of 8 Sbc heads 882, 175 posts · Joined 2002. #1 · Jan 1, 2006. ive got the money up and im going to get rid of my worked over 882 head on my sbc 400. im looking at a set of world sportsman ll heads with 200cc intake runners and 72cc chambers. im running 9.5:1 flat tops with 76cc heads so my comp. ratio would go up just a little. will these heads work well with ..., Old Chevy High article? "461" heads were cast with either 3782461 or 3782461X. Both were excellent OEM heads. Neither had accessory holes. Both were used between '64-'66 on the 327cid and had 64cc chambers. The "standard" 461 head's intake port volume was 161cc, exhaust was 62cc. Valves were 2.02/1.60"., Currently running a B&M 144 Blower on my 355 4 bolt main SBC. Dyno'd 340hp at 4700rpm with 9 lbs of boost using a 3" blower drive pulley. Engine has a mild cam, stock 882 heads with low flow numbers, 700cfm …, 882's to E-Streets. Hey guys, I made the decision to upgrade my 882's for some Edelbrock E-Streets 5089. My heads needed valve guide work and I wasn't about to put any money in them. I had Jegs price match the E-streets so I scored them for $848 shipped and they came with a free $100 Edelbrock gasket kit., a quick porting on a 882 heads, Posts: 27. Re: Any info on 883 heads? They are "993" castings. 3998993 is the full casting number. These are the castings that would have come on a '72 350 engine and came on the truck engines. If you check you will see they have May 18th 72 date code on one, and it looks like March 21st 72 on the other., The 292 was indeed the "turbo" head. These heads were used on just about every small block race engine from the 70s to the mid 80s. Popularized by Smokey Yunick and Bill Jenkins. They had better shaped ports than a camel hump, not a lot bigger though, and a slightly better combustion chamber., The block casting # is 3970010 indicating a 350 and the ID code is V0219ZBA indicating and engine made in Flint, MI on 02 February and ZBA is the L-82 code for 1979. The heads on the engine have this casting: GM 42 then under that 3888883 then under that D2 42. None of the websites I have searched list the 3888883 heads although some people ..., Has anyone out there upgraded their Gen-I SBC from the old '882 castings emmissions heads to GMPP L31 Vortecs ( '062 castings ) ? A couple of things that no one ever mentioned, and that I haven't read in any of the 480 or so postings I've read about this type of conversion: The temp sender is not the same size as the original 882 temp sender hole on the L-31's - It's 3/8" npt., ETriggs Discussion starter. 14431 posts · Joined 2006. #1 · Sep 11, 2021. I have a set of NGK XR4 5858 plugs for my 882 heads. that are supposed to work, but it seems like the shoulder is too broad. The thread barely catch. When they do catch, they fit fine but it shouldn’t be this close, should it? 3., I have 882 heads, ported, milled, 2.02/1.96 valves, 3 angle valve job with .50" lift springs and 1.52 rockers. I haven't dyno'd yet but I'm assuming ballpark of 350-400hp. ... All 23-deg 2-valve gen-1 SBC heads are hitting a ceiling of roughly 300CFM flow (28" water) on the intake side, with a port volume in the rough vicinity of 200cc. And of ..., Trick Flow® PowerPort® 240 Cylinder Heads for Big Block Mopar TFS-61617801-C00. Cylinder Head, PowerPort® 240, CNC Street Ported, Assembled, 1.460" Dual Springs, Big Chrysler, Mopar, Each. Jumpstart Your Next Project! Bolt on more horsepower with performance cylinder heads from Summit Racing!, Small block Chevy 350 heads 882 fresh. Opens in a new window or tab. Brand New. $1,000.00. jale_149123 (0) 0%. or Best Offer. Free local pickup. Speedmaster PCE281.2001 Small Block Chevy 350 Aluminum Cylinder Heads 190cc / 64. Opens in a new window or tab., Gas prices have fallen below $3 a gallon in nearly half of the US as demand slows heading into the Christmas holiday season. The average price for a gallon of gas has dropped below..., Came off of a Running 1974n Chevy C-10 w/ 350 V-8.... A Pair of "882" Chevy 350 Heads for sale. Will Need to be Cleaned up & Machined... Located in Houston, Texas. $200.00 Thanks, If you think that shrinking a human head isn't possible, read on at HowStuffWorks for a frightening primer on the ritual and those that perform it. Advertisement There are very few..., The 993 casting is a better casting then the 882. They are both 76cc smog heads, but the 993 casting is a little thicker casting and less prone to cracking. The 993 ports are better then the 882 port and they clean up nice. 350hp on a 350 cubic inch small block is easy to do with these heads., With your 882 heads (76cc), I think they are ~8.5:1 compression. (4.125 bore, 3.75 stroke, 18cc dish, .025 in the hole, ... Worked pretty well when I had them on my 13 to 1 compression small block but things have changed since then and compression for iron heads on pump gas really needs to be around 9 to 1 anymore. 65 Chevelle 2Dr. Post,Global ..., 207 posts · Joined 2012. #17 · Aug 18, 2012. I have a similar set up. Rebuilt 350, flat top pistons, 882 heads, street dominator intake, holley 650 carb, but i went with the comp thumper cams and a rebuilt 700r4 with alto red clutches. Stall is between 1700 and 2000. Oh and full length headman headers., 882 or 193 Heads. I have a 350 sbc in a 1979 camaro with a close ratio 4 speed manual with 308 posi. The engine not quite sure on the cam size but it has 882 heads, performer intake, 1" carb spacer and i have either a holley 600 or carter AFB, long tube headers with true duals only 2.25" exhaust., Dan, I raced a '74 Corvette in NHRA Stock class, 350 w/#882 heads. The flow on the exhaust side is pretty poor, and the intake side is marginal at best. The heads have a tendency to crack, and are factory with 1.940 intake valves and 1.500 exhaust valves. Now, we blueprinted the heads to 63.3CC chamber size, and with all stock …, Find CHEVROLET Chevy small block Gen I Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Save Up to 10% on Select Holley Family of Brands Products ... AFR 195cc SBC Enforcer Cylinder Heads 1006 Cylinder Heads, Enforcer, Aluminum, Assembled, 64cc Chamber, 195cc Intake, Angle Plug, Chevrolet, Small …, Unfortunately the 487 heads are very prone to cracking in the exhaust valve seats. The 882 heads are also prone to cracking in the exhaust ports. 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., 882's are the "Best" of the worst heads. They are the heavy weight casting. As noted, they are crack prone thru the center exhaust seats. They will flow fairly well if …, Other 'pairs' of 327 heads 1.94 vs. 2.02 intake valve size and different combustion chamber sizes are found in other years with casting numbers 3782461 (64-66 model years) and 3890462 (66-67 model years). ChevelleStuff.net: 1964-1972 Chevelle/El Camino cylinder head casting numbers by year., With 882 heads (76cc chambers) it ran low 14's in the 1/4 mile with speeds in the low 90's. Swapping to a set of box-stock Dart IE 180's (72cc chambers) put me deep in the 13's at nearly 100mph with no other changes. With a swap to the XE268H cam and some tuning, I eventually went 13.0's at 101-102 MPH with the Dart IE180 heads in out-of-the ..., The "Chevrolet Small-Block V-8 Interchange manual" by David Lewis states as follows: ... a lighter cast head was released sporting 1.94 I and 1.50 E valves. the 882 heads were installed on the 350ci and 400ci engines (400 heads had steam holes). The 882 heads had double heat-riser passage and were prone to cracking because they ran so hot. ..., The 882 head may have out-flowed this head but with the addition of larger 2.02-inch intake valves and some decent pocket port work these heads will out flow the 882's. Keep in mind that with a small 155cc port volume these heads are great for making torque. ... This race oriented small-block head requires the use of .150-inch offset intake ..., With the 64cc heads I have now, my compression is about 9.1:1, if I go back to the 76cc it will drop to 8.5:1. Also, the #369 heads I want to port are using 1.94/1.50 valves. My #450's have been upgraded to 2.02/1.76.. so i don't know which to use now. It seems if I had enough meat to port on the #450's that with the larger valves and higher ..., Head Bolt Set For 2003-2004 Chevy Express 1500 5.3L V8 R882SC (For: Chevrolet) Brand New. C $63.91. Buy It Now. +C $25.52 shipping. from United States. Top Rated Seller guaranteedtofit (82,059) 93.7%. 350 CHEVY REMANUFACTURED CYLINDER HEAD #882 SBC. Remanufactured., 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. that style of chamber gives up about 30 ft lbs. of torque everywhere in the rev range. they will work fine for now but they wont make the power ..., Chevy did not make a "DZ" head, heads came with casting numbers not suffix codes. And Z28`s during that era only came with 2.02 1.60 valves. 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 …, I order a 383 longblock and it comes with 882heads with the valves opened up to 2.02/1.6 and the bowels blendid. From what Ive been reading 882 seemed to be pretty low performance. The engine builder said he gets about @ 375hp/380torque running a holley 600 with an elgin cam with dur.@50 222/222, valve lift of .447/.447. edelbrock …