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 ...Use a head gasket made for the 350 SBC not the 400. Ignore the holes in the heads from this point on- they will be plugged by the 350 gasket. Another option to what has been offered is to replace the dual springs w/stock-type springs that have an inner damper. These springs are 1.25" diameter w/an installed height of 1.7".144 posts · Joined 2006. #1 · Oct 14, 2009. hey guys I have a set of GM 624 cast heads for a Chevy 350... 2.02"/1.60" I bought the desktop dyno program and it told me after the mods I planned to make to the rest of the motor that I could make 575HP and 540ft/lbs of torque to the flywheel. I took the heads to the engine shop today to have them ...Engine Size: 6.6L - 400ci - V8. 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 ...On the plus side, the Vortec intake port flows 42 cfm better than the stock heads at .500-inch lift and 18 cfm better on the exhaust side. Vortec Iron, Scoggin-Dickey Modified PN SD8060A2, $779. ...A family trip to Hilton Head can result in timeless memories. Here's how to make that vacation happen. Update: Some offers mentioned below are no longer available. View the current...punisher55. 149 posts · Joined 2009. #16 · Oct 16, 2009. That 400 with a dishtop piston is usually around 10 to 1 or 10.5 to 1 compression with 64 cc heads. That is figuring a 12.5 cc dish which is what most of them had. That is borderline with pump gas. Use 93 octane and some octane boost to be safe.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./224 exh. Valve Lift with Factory Rocker Arm Ratio: 0.465 int./0.465 exh. Camshaft Manufacturers Description Fair idle,...A family trip to Hilton Head can result in timeless memories. Here's how to make that vacation happen. Update: Some offers mentioned below are no longer available. View the current...Mar 19, 2022 · In that case, I encourage you to acquire a pair of Chevrolet Bow Tie phase 2 cylinder heads (part number 14011034). They are the best cast iron heads Chevy ever made for the small block. They have angled plugs, 2.02 intake, 1.60 exhaust, and true 64cc combustion chamber volume. I've been running those heads on my car since the 1990s.Use the R44LTS, not the R44TS. Some plugs are too short, Vortecs need a long plug. Silver Bullet. 1977 Z-28. *New 408 - no ET's yet. *413 Phase 6 heads Comp 306S Vic Jr 3310 Holley [email protected] on drag radials @ 3725 lbs. *Vortecs 234/244 Crane RPM intake 3310 Holley [email protected] @ 3760+ lbs. Like. O.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 ...350 with 882 heads. Hello Everyone, I recently purchased another 65 SS with a SBC 350, 2004r trans, and a 12 bolt rear end. I noticed it ran very very very rich and started having starter issues after a couple of weeks. I did some research on the numbers (3970010) on it and it turns out it's a 1972 350 4 bolt main with 882 heads with a mild …What cylinder heads do you want to see on the SBC 355?The time has come to pick the heads! I went into my stash of heads and picked a few sets that match our...The 882 head is the most produced chevy cylinder head over and above all other casting numbers. 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. There are different variations of the 882 head, which has been stated already.I'm getting ready to rebuild my 400 sbc and am on a tight budget. It has the original 882 heads on it. I was wondering if these heads would be decent or if they are …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 ...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.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.curtis73. 7033 posts · Joined 2005. #4 · Oct 13, 2007. TBI heads were originally equipped on engines that maxed out at 180 hp and 4500 rpms. That's really all they're good for. Be careful though... "regular" chevy heads could be just as bad depending on what casting they are. Like. G. grand prix le Discussion starter.it is common to use up to .480 lift cams with 882 heads, use the Z-28 type valve springs, watch for retainer to guide clearance, most will clear if you use an umbrella or o-ring type seal, do not use the tin shields or valve rotators on the springs. You will have to shim the exhaust spring seats,Check for stock rocker to stud clearance, most ...SBC 882 heads - $100 (Piedmont) QR Code Link to This Post. I have for sale a set of 1973 #882 cast. heads, complete. they do need to be freshened up. Came out of 1973 van 4bbl 4 bolt main. I have the intake too. $40 dollars. post id: 7739935364. posted: 2024-04-23 07:03. ♥ best of .Flat mill the heads (can not angle mill stated in rules), & deck the block to get the most compression we can, we also used the 882 heads. rhoads lifters to give that extra bit of vacuum at idle (also helps smooth out idle) Get a good set of exaust manifolds, I assume you cant use headers or center dumps, so find a set that both sides dump out ...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 ...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 . ...Lucky for us, Westech had a flat-top 350 small-block on hand and we produced the L82 by adding a set of freshly machined 882 heads (from L&R Automotive), the GMPP L46 cam and the Q-Jet induction ...203 cfm. GM 882 Iron The 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. This head was tested with the 1.94/1.50 valves. But ...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.1 pair of 193 chevy heads 1 pair of 882 chevy heads $150.00 each. Marketplace ...andybird. it is common to use up to .480 lift cams with 882 heads, use the Z-28 type valve springs, watch for retainer to guide clearance, most will clear if you use an umbrella or o-ring type seal, do not use the tin shields or valve rotators on the springs. You will have to shim the exhaust spring seats,Check for stock rocker to stud clearance,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. ...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.2459 posts · Joined 2010. #2 · Jul 18, 2012. Back in the day 882 casting number heads ,where great for porting (lots of Beef) any way as far as the springs find a set of z28 springs or call summit they will know what you want,they are good for over 500 lift cam, and will fit where the old springs do, at least install new valve stem seals. if ...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.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.Aug 15, 2006 · 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.T. techinspector1. 18069 posts · Joined 2005. #2 · Nov 3, 2006. "492" - 3991492. Good performance head. They were found on 1970 LT-1 engines. They had 2.02/1.60" valves, 64CC combustion chambers, DO have accessory holes, intake port volume should be 161CC's, exhaust port volume should be 62CC's. These heads have double hump casting marks.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. ...Those 882's will only run up to 4200 in rpm but max out the torque below that. Find anything like Camel Humps/ Vortecs at that car flea market will make huge …User Info. The 487 heads are quite decent for what they are. They are the best of the smog heads. They were used on the LT-1's in the early '70s. They have good inlet ports and are basically identical to the fuellie heads except that they have 76 CC chambers for less compression. The 487X has bigger inlet ports.The heads are aluminum but what is the limit with pump gas. AFR does make a very effecient head but that and 91 octane will only go so far. Is anyone running a similar combo and with what compression ratio? With this roller cam and heads on a 350 Iam running 9.8:1 with no problems even on 87 octane.I went to do my first valve spring upgrade today on my 882 sbc heads. My new springs are rated at 110lbs at 1.710" and 305lbs at .500 lift.I bought the proper valve spring height micrometer but when I went to do my first valve I found that I needed four .060" shims and one .030" shim to get to the installed 1.710 valve height.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 ...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 ...Here are the mistakes I know I've made: A) I pulled the engine apart before the system was pressure tested. My garage guy's are some po'd I did this (sorry). B) The heads were not checked for cracks when the valves were ground. C) I used the wrong gasket kit .I used a SBC 350 Felpro set.The '87-'95 cast-iron 350 heads returned to 64-66cc combustion chambers. You state that your Sealed Power pistons are designed to produce 10.0:1 compression. If that's 10.0:1 with a 64cc head ...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 specsit is common to use up to .480 lift cams with 882 heads, use the Z-28 type valve springs, watch for retainer to guide clearance, most will clear if you use an umbrella or o-ring type seal, do not use the tin shields or valve rotators on the springs. You will have to shim the exhaust spring seats,Check for stock rocker to stud clearance, most ...Rebuilding Cylinder Heads The Right Way Proper installation of valvesprings includes checking the valvesprings for seat and open pressure and setting the installed height. For a small-block Chevy street head, this is usually 1.700 inches. Shims can be used underneath the springs to decrease the installed height if necessary.Hard to find better heads for a 283 than the good ol' Power Pack heads. Some might say to run 305 heads instead, but the vintage look of the old-style 520 castings along with the small high-velocity ports and 1.72"/1.50" valve sizes will do that 283 right. draggin'GTO, Jun 24, 2011. SHARE POST #2. 1Nimrod likes this.Starting with the 1975 model (fall of 74) Chevrolet began cutting corners on the SB heads, such as the 462624 head. They were lighter, thinner castings, had an additional exhaust crossover passage (more heat) in the center of the head. Consequently, they are MUCH more prone to developing cracks, or developing them sooner, than the …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: 1.60With a 76cc chamber head on a 350 Chevy, your compression ratio will be around 8.5:1 assuming the use of a 0.041 inch thick head gasket and the piston is between 0.015 to 0.020 inch below the deck surface. Just by changing to smaller 64cc heads, the compression ratio improves from 8.5:1 to 9.7:1 with no other changes.How to port your head at home.from Central Iowa. 882s could be called the best of the worst. The catch with performance engines is you can usually find ready to run, used aftermarket heads for $450-500. Granted, they'll be small, like a performer or dart iron eagle 180, but still offer significant improvement over a stock head.21011 posts · Joined 2009. #5 · Mar 20, 2009 (Edited) The rotators look like a thick retainer. They were used extensively during the smog years on the SBC. Heads like many of the 305ci, 882, 883 all used them. Look at your valves, spring side of head.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.View Details. $1,092.22. Ships on 09/23/24. FREE Shipping. Lowest Price Guarantee. Add To Cart. 1 2. 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.The 882's are arguably the weakest small block castings ever produced. You can get a decent set of 487's or 993's for a good price, have them reworked and drill steam holes in those.--Steve Reply Like 01-04-2003, 11:21 PM ... I've just had really bad luck with 882 heads. I'm sure there are folks out there that have had these heads last a long ...Description Professionally rebuilt pair of Small Block Chevrolet cylinder heads. 76 cc combustion chambers. Heads fit 1986 & OLDER only. These heads do have the accessory holes in them. BEST PRICE, BEST …Here is some more information from a forum: "Not all late 882 heads were created equal. Many LATE 74 Z28 and Corvette L-82 applications used a Hi performance cast version of the 882 head . True, Most early 882's were equipped with 1.94 intake valves and low rpm valve train.Feb 20, 2017 · 350 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.. 350 CHEVY REMANUFACTURED CYLINDER HEAD #882 SI will be replaceing valve springs on a chev a quick porting on a 882 heads I have read several articles recently where folks are talking Ford 393W with Edelbrock RPM Performer = 475 bhp. Tremec TKO 600. Rear axle 3.55:1. IRS and Vintage pin-drive wheels. SVA passed, road legal 6th June 2008!! Currently mid-Coupe build, chassis now right hand drive and powder coated. Steering, front and rear suspension on. Engine and gearbox in. Ford 351W engine with Edelbrock RPM Performer ... from Southern Ok. Pin the stud and use a Fel Pro Head Saver Sh...
Continue Reading