Basically, an 882 head is a good head----------------------until it cracks. It is NOT a question of IF it will crack, but WHEN it will crack. Here is some historical information about SB Chevy heads that many people do no realize. First, 1974 was the last year for the "good" thick heads on a factory production SB engine.on a 327 w/76cc, you'd need a heck of a dome to get the comp over 9:1. Such a piston would shrould the valves badly, reduce flow and VE, and probably be prone to pinging. you'd be way better off with a 64cc head and a flat top or 1/8" dome piston. JimM's firstgens.com Camaro Board.Chevrolet Small Block Head Casting Numbers. Aluminum, LT5, ZR1, DOHC, 32-Valve, drivers Side. This casting # has been used in many different versions of this aluminum 18′ and 15′ Bowtie race head. Different chamber volumes, port volumes, port locations, valve sizes, etc. were used. Check this casting carefully to determine which features it ...Head removal on the Chevy 350 and I am very pleased with what I find!882# sbc heads 882# sbc heads. By robs70monte February 20, 2011 in Engine Tech. Share More sharing options... Followers 0. Reply to this topic; Start new topic; Recommended Posts. robs70monte. Posted February 20, 2011. robs70monte (Non-dues paying) 193 Location: Fulton,NY; ...By "heavy casting", I mean it is a good thick casting not prone to cracking, like the 882 or 624. Definitely keepers.:yes: The trick here will be to see if a hardened exhaust seat can be installed. I have installed hard seats in heads that looked like that. It all depends on the expertise of the machinist. The guide can also be replaced.Head lice can be a very irritating condition. Visit HowStuffWorks to learn all about head lice. Advertisement If your head starts to itch, there could be several reasons why. You c...The Vortecs not only out flow the '882 head below 0.400" valve lift but that smaller combustion chamber is heart shaped not wedge shaped which improves the mixture swirl to promote a fast, even flame front. It is the result of 35 years of engineering refinement to the SBC head.Sometimes we all need to rest our weary head, take pause and simply sit for a moment. It may not look pretty. We may look a mess. But, we are... Edit Your Post Published by Hang in...400sbc, 882 heads. questions. ive had bad luck with getting bad motors/ trusting people. got all my money back on everything, so now by luck i find a 400sbc that a guy wants $300 for, has less than 100 miles on it since rebuilt and its spotless on the inside. but it spun a bearing, and heres why: the guy took a 350 out of his 8,000lb motorhome ...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 heads.Think of it as an Ice Bucket Challenge—with liquid yogurt. In a strange, somewhat belated take on a charity-driven internet craze from several months ago, Russian celebrities are p...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 ...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 duration @ 0.050-ich tappet lift with 0.520/0.540-inch valve lift). This particular 383 made 517 ft-lb of torque and 503 hp at ...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.SBC spring usually come as 1.26 (stock), 1.440 (perf), 1.550 (race) and 1.625 (extreme race). it's most like you have the 1.440 pockets, measure them with a dial caliper or something. There's 1.440 springs with stock or near stock pressures readily available. You most likely need something with around 100lbs seat pressure and 300lbs open.Basically, an 882 head is a good head----------------------until it cracks. It is NOT a question of IF it will crack, but WHEN it will crack. Here is some historical information about SB Chevy heads that many people do no realize. First, 1974 was the last year for the "good" thick heads on a factory production SB engine.from Southern Ok. Pin the stud and use a Fel Pro Head Saver Shim #7733SP with about 4 coats of aluminum silver on it. Install it tacky. It's just over 1/2 the thickness of a conventional head gasket and will bump the comp a tic. Happy Motoring,T. Yo Baby, Mar 2, 2010. SHARE POST #7.The 041's have 1.94 intakes and 1.50 exhausts and 64 cc chambers with a fresh 3 angle valve job. They should give a 10.0 compression ratio with a .015 " head gasket. The 882's have 2.02 intakes and 1.60 exhausts. The chamber size is 76cc. They are pocket ported on the exhaust side and have a fresh 3 angle valve job.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.AL clean 882 sbc heads The 1967-1972 Chevrolet & GMC Pickups Parts Board. Register or Log In To remove these advertisements. The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current Classic ...I've got a 210cc ProComp head (PC3003) sitting right next to my computer table right now, the intake rocker studs holes are drilled thru into the top of intake ports just like nearly every aftermarket SBC head. The exhausts are blind, they don't go into the water jacket. These are the first design, with the scalloped heart-shaped chamber ...SBC 882 heads. Came off of a non smoking and running 350. No use for these, if you need a set of heads to get a SBC running these are a decent cheap choice. I don't think I still have push rods and...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.1. Sometimes running a colder range plug may allow you to put in a bit more timing advance than running a hotter plug. 2. Play with the plug gap by going from .035 up to .040 or .045 and see how your plugs look, go in small steps (like .005"), sometimes a touch bigger gap can help with combustion. 3.a lot of the 993 heads came out with 1.94 intake and 1.50 exhaust valves. they are a heavy casting head and are one of the best for street performance on a 350. these were the heads that were used on all of the target master replacement engines. the ones on the target masters were made in mexico and have HENCHO EN MEXICO cast into them.I will be replaceing valve springs on a chevy 350, 882 heads using comp cams Xe274 - .490 lift. What valve springs should I get and what diameter? Is 1.222 the stock diameter? Should i get that Diameter then? or should i get 1.250 or bigger? Does it make a difference? I was thinking about these becouse their cheap Erson Performence Valve SpringsTurns out the mystery SBC EQ (Engine quest) heads flow quite well as cast! 600 HP Potential!Some Flow bench results comparing them to Vortecs and Iron eagles...3970010 block 3998991 heads. Need some insight from you SBC motor guys. I have this SBC sitting in the shop decided to rebuild it. I tore it down today. It is a 3970010 4 bolt main 350. Dished pistons with the valve relieves. Cam had one rounded off lobe and the lifter that ran on that lobe was concaved.Mar 22, 2020 · 882 vs. 993. Calling sbc experts. What we have is a $100 400ci small block in our challenge car. The heads are casting 882. 76cc 1.94/1.50. Best I can find is a fairly consistent >200cfm rating. in the garage is a well used 350 wearing some heads with casting 993. Not 100% on valve size since the 993 casting was available with either 2.02 or 1.94.350 HP SBC 350 Build Recipe. 350 HP 350 SBC build list components using a late-model 1-piece rear main seal two bolt main block. 350 Chevy Rotating Assembly. Chevrolet Performance Cast Iron Vortec Cylinder Head (two quantity) COMP Cams Xtreme Energy Hydraulic Camshaft Kit. Roller Tip Rocker Arms and Push Rods.Most likely, the reason you have read this far is largely due to the fact that you are considering getting the 882 heads. Here are a few thoughts for you to consider. First of all, don’t go with these for the long term but rather think of them as a stop-gap. There are better options out there if you are buying. Some would … See more- SBC Cylinder Head Info - I've compiled the following information on SBC Cylinder heads to help compare them. ... GM Vortec Bow-Tie Large Port-- GM 882-- GM 441-- GM 462-- GM LT1 372. GM L98 Vette-- GM LT4-- GM LS1. Holley System Max. Patriot Performance. Pro Top Line (Lightning) ...REBUILT SBC 2.02 # 882 CHEVY # 333882 DATE MATCHED L-82 CYLINDER HEADS HP350. Opens in a new window or tab. Remanufactured. $595.00. cscylinderheadshop (1,739) 100%. ... OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1965 2.02 1.60 Fuelie. Opens in a new window or tab. Pre-Owned.350 (L-46, L-48, L-82, LT-1) The 350 was the longest-lived small-block Chevrolet engine made, and it has powered everything imaginable. In it's initial form, it was introduced as the 300hp L-48 in the '67 Camaro, and eventually found its way into all of the other Chevy models as time went on. The high point of this powerhouse was the 360hp ...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 …350 CHEVY REMANUFACTURED CYLINDER HEAD #882 SBC. Opens in a new window or tab. Remanufactured. $320.00. Buy It Now +$121.50 shipping. windycityengineandparts (1,801) 100%. New Listing Aluminum Steel Head Bolts Heads Fit Chevy 350 383 400 OE134-3601 SBC Small Block. Opens in a new window or tab.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.Chevrolet Performance cast iron Vortec cylinder heads will fit 1958 and later small block Chevy engines, and offer a 20 to 40 hp increase over earlier cast iron small block heads. Features include fast burn combustion chambers, and a high-velocity port design. They require the use of a Vortec-style intake and self-aligning rocker arms, and come ...On the plus side, the Vortec intake port flows 42 cfm better than the stock heads at 0.500-inch lift and 18 cfm better on the exhaust side. Vortec Iron, Scoggin-Dickey Modified PN SD8060A2, $779. ...I'm doing a fairly mild build on a sbc I have. I have a decent looking set of 882 heads, and am wondering what y'alls opinion is of these? I am looking to run a cam with a 480 lift, and a piston that will bring the comp ratio up to around 10:1. I understand a little work will be required to make these heads work with a cam this size.May 9, 2008 · Re: 882 heads. I will read to ya , exactly how its written in this book on interchange numbers: In 1975 , a lighter cast head was released sporting 1.94I and 1.50E valves: the casting number was 333882. the 882 heads were installed on the 350 ci. and 400 ci engines (400 heads had steam holes). The 882 castings had a double heat-riser passage ...Jul 16, 2005 · I am going to agree on the .480. Seems to stick in my head for some reason. 78 Malibu, 357 SBC, Dart pro 1 230cc, custom solid flat tappet, Ron's 4 shooter alcohol injection, Powergide, TCI 5200-5700 8", Ford 9" with 5.14 gears, 28x9 MT slicks. 3000# race ready. best 1/4: 10.88.Jan 5, 2014 · 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. ...You can raise the exhaust port just like an intake port, but the overall port shape is waht matters. most race heads have a vey large radius in the overall port shape on the exhaust unlike the old dog leg shape. 67 camaro. girly rollers on pumpgas: 420 - 641hp BretBauerCam, 1.39, 9.79 @ 137.5. 383 - 490hp 224/224, 1.56, 10.77 @ 124.6.Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum! In this video, Joe and Wyatt discuss the features that bring the vaunted camel hump heads into the 21st Century. ... Chevy SBC Assembled Aluminum Camel Double Hump 461 Cylinder Head. View (16) …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 8.3 to 8.6 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 ...The '74 Chevrolet passenger car and light duty truck Overhaul Manual has the 145, 160 and 175 HP 350's all having 8.5:1 CR. The 245 HP 350 was rated at 9:1 CR. Like. M. monzter Discussion starter. 272 posts · Joined 2008. #8 · Aug 9, 2009. Yes, 8.5:1 is what I red out of the suffix code, if I remember correctly.Basic Small-Block Chevy Head Porting. The following information on porting deals with 23-degree Chevy heads pretty much across the board. Applying what is detailed in the next dozen pages on heads will allow you to generate more airflow and, consequently, more power. But just a moment, you’re a beginner and you don’t have a flow bench.Ericnova. 1448 posts · Joined 2009. #2 · Jul 1, 2021. The 638 block was used mostly for light truck applications. it is not the LT-1 reverse cooled deal, so you need regular 1st gen style heads, stock or aftermarket. You'll have to do more research on the flat tappet into a roller block....I've never gone backwards like that.2623 posts · Joined 2002. #10 · Apr 3, 2003. The real problem with 305 heads on the big bore 400 is the fact that the tiny 305 combustion chambers are designed for the tiny 305 cylinders. When you bolt the 305 heads on the much larger 400 bore, you wind up with a combustion mismatch. So, try to use something with a little larger combustion ...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 8.3 to 8.6 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 …The 993 heads were used in 72-73 Chevy 350s, many of them were the 250 horsepower version. These heads are very similar to the 441 and 493 400 small block head. They are more preferred over the 882 head due to their heavier casting. They yield average flow numbers, but respond to modifications just like any other small block head.The 993 heads were used in 72-73 Chevy 350s, many of them were the 250 horsepower version. These heads are very similar to the 441 and 493 400 small block head. They are more preferred over the 882 head due to their heavier casting. They yield average flow numbers, but respond to modifications just like any other small block head.The best casting numbers for the double-hump head were 461 and 462, which had better flowing ports than the later 441 and 882 versions of this head. Then Chevy came out with the famous Bow Tie performance heads for the small block, which were even better than the original double-hump heads.The 993 heads were used in 72-73 Chevy 350s, many of them were the 250 horsepower version. These heads are very similar to the 441 and 493 400 small block head. They are more preferred over the 882 head due to their heavier casting. They yield average flow numbers, but respond to modifications just like any other small block head.bigdeuce32. 5 posts · Joined 2018. #11 · Apr 21, 2018. On the 461 double hump heads the "X" version had larger intake runners. In the case of the 441, heads with the "X" has the same intake runners as the regular 441 but the combustion chamber was 80cc instead of 76cc. The intake valve was 1.6 when used on 400 engines.Spark Plug=Straight Plug. AFR`s 195cc "Street" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for displacements up to 400 cubic inches, operating up to 6500 RPM. Legal for 1994 and older emissions controlled vehicles under CARB EO #D-250- 2.8678 posts · Joined 1998. #13 · Dec 10, 2009. The 292 "Turbo" head was the best that could be done while using the stock casting as a baseline. It really was the "best" head...for awhile. The first of the Bowtie heads was not based on the stock casting; it was better than the Turbo casting in a number of ways.What are 882 Chevy Heads. 882 heads were designed by Chevy to be used in 350 ci and 400 ci engines. The reason that the earlier iterations of this engine cracked was due to the fact that they ran really hot. This was due to the double heat riser passage. The 882s are quite similar to 84-86E 462624 heads.Camaro, Corvette even Stovebolts can be found here. More tech info. casting # chamber vol. intake valve exhaust valve; 032: 70cc: 1.72: 1.50: 034: 64cc: 2.02: 1.60#1 · 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 …The Vortecs not only out flow the '882 head below 0.400" valve lift but that smaller combustion chamber is heart shaped not wedge shaped which improves the mixture swirl to promote a fast, even flame front. It is the result of 35 years of engineering refinement to the SBC head.. 207 posts · Joined 2012. #17 · Aug 18, 201Run on the dyno first with the stock TPI injection Feb 4, 2014 · 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."These heads will interchange with casting number 487, 487X, 993, 882, 624, 441 and many others. These heads will also interchange with double hump heads with casting numbers 370, 461, 461X, 462, 291, 292, 186, 041, & 492. If you use these heads in place of a camel hump head it will lower the compression due to these have a larger combustion ... 487 and 993 are best 76cc heads, followed by the 8 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). the same book says that if you buy an engine that has 882 heads they should be discarded. Description: 71-82 Chevy SBC 400 882/997 Cylinder Head. Upg...
Continue Reading