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.Hecho en Mexico SBC heads... by Krooser » Tue Dec 17, 2013 9:27 am. I bought two pairs of SBC core heads last week. One pair are 882's with race springs (don't know the specs yet). The other pair are 993's "Hecho en Mexico" …. I guess I didn't know 993's were also made south of the border. These have good .550 lift springs that will work on ...porting 882 sbc heads. Jump to Latest Follow. 16K views 7 replies 4 participants last post by jeff swisher Oct 20, 2008. S. sschevellefan Discussion starter. …i wouldnt use SBC 882 heads for anything but door stops or boat anchors. they are a lighter weight casting and prone to cracking! ... 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 ...Jun 8, 2021 · To determine what type of heads are on your small block Chevy, take a look at the illustrations below for 'Early' or 'Late' Style, Aftermarket Aluminum SBC heads, Aftermarket Cast Iron heads, and other SBC cylinder heads. Text descriptions of the heads can also find text descriptions for each head type under the respective headings. Knowing the ...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 993 heads are nothing great, just a basic SBC head. Had a set on my last 350 and almost on my latest but one was cracked. The 993 heads have a 75/76cc chamber with 1.90 and 1.6 valves. Small runners and very flow limiting at higher rpms. You "may" be able to squeeze 350hp out of it but it would be tough.Spread Port. AFR's 220cc "Race Ready" and "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. This is AFR's largest, best flowing head for use with conventional rocker arms. Recommended for race applications or radical "Pro Street" style builds. Included Components.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 ...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 …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 ...Feb 15, 2008 · 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.Mar 13, 2024 · 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 ...Oct 10, 2004 · 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.Chevy 305 and 882 heads posted by IainS on Tue May 18 19:22 CST 2004 > V. Chevy 305 and 882 heads posted by 745tic on Wed May 19 07:30 CST 2004 > V. Chevy 305 and 882 heads posted by ssvolvo on Sat May 22 00:00 CST 2004 > V << < > >> ©Jarrod Stenberg 1997-2022. All material except where indicated.Re: Best flowing 76CC SBC head. by Monza355 » Mon Jul 17, 2023 5:08 pm. I would think that combo would be an absolute turd. .030" over 302 with 5cc flat top piston and a 0.035" quench has a whopping 8.03:1 compression ratio with a 76cc head. With everything else the same and a 3.48" stroke you will have a 9.15:1 compression ratio.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.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 …These heads have 2.02" intake and 1.60" exhaust valves, whereas most 461 heads came with a 1.94" intake and 1.50" exhaust valve. However, even with a 4" wide chamber and large valves, these heads will still fit on a .040" over 283 engine, as well as the larger 327 Chevy.The 441 head is probably the most popular of the 76cc castings. Originally, it was found on '69-' 70 350-horse 327s, 250-horse 350s, and a few other applications. As with all the heads, the valve ...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.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.4135 posts · Joined 2010. #3 · Dec 4, 2013. I know you are on a budget, but once you clean, do a valve job and mill those 243s, you will have some cash in them. You could sell them for $400 or so, get a set of Stage 1 LS6 CNC ported heads for around $1200. I just think that is fantastic bang for the buck.882 heads have a 76cc chamber. 283 heads had a 60cc chamber, and their CR was in the mid-high 8s for the most part. Your CR will be down in the 7s. Not good. A perfect recipe for a totally gutless disappointment. ... Yes that is also a small block Chevy head and therefore will bolt up. 461 is a better casting, but it's a 60s casting that is ...Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! Chevy V8 Casting Number Locations. Chevy V8 SBC Block and Head Casting Numbers. Chevy V8 BBC Block and Head Casting Numbers. Chevy V8 "W" Motor 348-409 Casting Numbers. Chevy V8 Crankshaft Casting Numbers.PROCOMP SBC Aluminum Cylinder Heads Small Block Chevy Head PC 3003 Speed Master. Opens in a new window or tab. Pre-Owned. $700.00. delcoenginesandcomponents (216) 100%. or Best Offer. ... Sbc 327-350 Cylinder Heads # 333882, 882 Heads. Opens in a new window or tab. Remanufactured. $385.00. car*engines (1,608) 100%. or Best Offera quick porting on a 882 heads1973-1980 Small Block Chevy SBC 350 Head 333882 882 C-12-7 1.94/1.50 Valves. Condition: Used Used. Price: US $100.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit* ... Melling Oil Pump Shaft SBC "No Pinned Sleeve" Hi Performance Chevy Small Block (#375036626723) See all feedback. Back to home page Return to top. More to explore :With 882 heads, there is no point in running the Thumper cam. You need to match the heads to the cam, and stock 882s will done making power at 4500-5000 rpm. ... The 882s did me well enough...then I got the ls1/4l60e for $2000 and ditched the old SBC altogether. Now I have 390-420rwhp and still get 20+mpg. Runs 7.54@92mph in the 1/8th versus ...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 specsFeb 28, 2010 · 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 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 ...68maliblue wrote: ↑ Fri Jun 04, 2021 8:05 pm I’m doing a low $$$ 307 Chevy build with leftover parts and I have a low mile set of 193 swirl port heads that are the best heads I can come up with without spending any $$$. Engine is going into a rat rod 46 Chevy so it’s just something to have fun with. Cam is a small solid cam 224/224 @ .050” on a 108 LSA …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.The reason is simple: The more you squeeze the air and fuel mixture in the combustion chamber, the more power you can create. In theory, forcing air and fuel in as small a combustion chamber as possible (measured in volume) will yield maximum engine compression and horsepower. There are a number of ways to accomplish the task.Re: Chevy 261 heads Here's a recipe for cheap fun: - New bearings & a steel shim head gasket - The biggest wide-LSA cam you can find (it'll even out the idle so you can at least drive it around town) - Bowl-blended stock heads (hey, you've already got 'em) --mill 'em if they're the huge-chamber type--- The cheapest swap meet aluminum intake you can find - Junkyard used tires to fry at the ...GM heads 10110810 V.S. 14101081. 45K views 15 replies 5 participants last post by 80's rule! Dec 17, 2008. 80's rule! Discussion starter. I currently own a 1987 Chevy Z-28 with the 305 motor and it has 134,000K on it and it's time to do some freshening on the motor, heads look like a black swamp!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 ...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 ...Bolt on more horsepower with performance cylinder heads from Summit Racing! Shop cast iron, aluminum, CNC-ported, CNC ... (882) Get Results; Department. Cooling & Heating; Engines & Components; Brand. Summit Racing (11) VEGE (727) Brodix Cylinder Heads ... AFR 195cc SBC Enforcer Cylinder Heads 1001 Cylinder Heads, Enforcer, Aluminum ...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 ...I have thrown away alot of 882 heads from 350s and 400s over the years because they are junkers. The 186s will outperform the 882s all day long. ... A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting ...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. ...The 993 heads are nothing great, just a basic SBC head. Had a set on my last 350 and almost on my latest but one was cracked. The 993 heads have a 75/76cc chamber with 1.90 and 1.6 valves. Small runners and very flow limiting at higher rpms. You "may" be able to squeeze 350hp out of it but it would be tough.Re: FlowBench numbers on various SBC heads 07-03-02 07:14 PM - Post# 113471 In response to 68corvette 2qwik2c , i have the latest version Edelbrock Performer heads here , i'll flowtest heads like they are right now , and post details in a 1/2 hour or so . the customer wanted them flowtested before any work ...so nows a good time to flowtest them .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 CRACKS...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.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.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 …Turns 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...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!Here's the plan so far: 383 Stroker. 9:1 compression: This sucker's going to run on 87 octane and like it. Period. 64cc Cylinder Heads, Should give me the desired compression ratio. RPM Air Gap manifold (Vortec or reg. pattern, depending on heads.) Powerhouse street friendly setup rotating assembly. Part # 383-1-SK.Jan 1, 2023 · 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 ...Per the '70 Chevy service manual, the spec was R43 for the 307 and R44 for all the 350's except LT-1 which was R43. Strange maybe but true. Ive always had good luck with R44TS plugs, which is for heads with tapered seat plugs (the "T" is for tapered seat). If your heads need gasketed plugs it would need R44 or R44S (the "S" is for extended tip).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.1973-1980 Small Block Chevy SBC 350 Head 333882 882 C-12-7 1.94/1.50 Valves. Condition: Used Used. Price: US $100.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit* ... Melling Oil Pump Shaft SBC "No Pinned Sleeve" Hi Performance Chevy Small Block (#375036626723) See all feedback. Back to home page Return to top. More to explore :3) A Holley 750 CFM carb. 4) A set of long tube 1-5/8th headers but 1-3/4qtr makes this easier. 5) Scoggin Dickey modified Vortec heads or equivalent with some mild port cleaning. 6) .019 inch thick shim style head gasket. 7) 1.6 rockers on the intake, maybe 1.6s on the exhausts as well.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.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...At best about 205cfm (with 2.02/1.6 valves). By comparison '96 Vortec truck heads are about 230 cfm. The condition of the heads is more important. Worn guides and seats could make them expensive to recondition. Cracks could make them worthless. Paul Wright said: Building a small, high rpm engine.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.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.Low hour Small block Chevy heads 1972-73 338882 castings 1.94 - 1.5 valves Assembled with springs and keepers $150 for the pair.Hey guys, i have some #882 heads on my truck now, which i am hearing are very restrictive. i found a set of 336 heads off a 71? ... <BR>Wheeling truck: 1986 chevy k10, camaro 350, edelbrock intake, carb, headers and 3\" dual 40 series. 6\" lift 38\" super swamper TSL, dana 44 front, GM 14 bolt rear, 4.10 gearsHey guys, i have some #882 heads on my truck now, which i am hearing are very restrictive. i found a set of 336 heads off a 71? ... <BR>Wheeling truck: 1986 chevy k10, camaro 350, edelbrock intake, carb, headers and 3\" dual 40 series. 6\" lift 38\" super swamper TSL, dana 44 front, GM 14 bolt rear, 4.10 gears69Chvll Discussion starter. 1158 posts · Joined 2016. #1 · Nov 21, 2017. Hey there, I’ve got some 1974 882 to heads on my 383. Anyone know what the spark plug reach spec is for this head? I’m thinking about going with a NKG heat range of 5. Thanks! Sent from my iPhone using Tapatalk.What are 882 heads worth? I bought these heads with 50 miles on them (rebuilt triple angle valve job)and no longer need them (bought 400 long block). What …Feb 28, 2010 · 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 291's should fetch a few bucks on ebay. I was selling sets of 882 heads on there awhile back and routinely got $175 per pair-for rebuildable cores. The 291's are good heads, how much do you want for them ? The 291's don't have hardened seats. With good aftermarket heads or Vortecs you'll have new guides and hardened seats, etc.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 ...