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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.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? 3.1970 Chevelle 350 700R4. 1999 Camaro SS. Like. N. nuttyd. 27 posts · Joined 2009. #5 · Jul 27, 2009. Casting # 338882, Built from 1970 thru 1986, 882's are open chamber 76cc if memory serves correct. The right plugs are tapered and will take a 5/8 socket to put them in. Dont get these heads hot by no means.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.I have a set of 882 heads with brass guides installed. One head is good and other has crack. Machine shop said it's fixable, but we had another set that was good so went that route instead. Have...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.Head removal on the Chevy 350 and I am very pleased with what I find!I have a set of 882 sbc heads with rocker arms asking 70$ for them. They will need rebuilt . Clinton, TN. Location is approximate. Message. Sporting Goods. See all. $110 $175. Road master Granite Peak bike. Bartlesville, OK. $12. Fit bmx. Miami, OK. $50. Camping Tent. Chanute, KS. $300. Hyper E-bike. Pryor, OK. $45.Introducing our Remanufactured 71-77 Chevy 5.7L 350ci V8 1.75" Intake Valve - 882/993 Cylinder Head, a high-quality replacement part that exceeds OEM specifications. Manufactured by Chevrolet, this cylinder head is designed to fit a year range from 1971 to 1977 and is specifically tailored for engines with a 5.7L - 350ci capacity.your building a budget small block chevy what heads should you be looking for and what to stay away fromsee part 2 http://youtu.be/q7unh0qkxey207 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.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).Best pass 8.87 at 150.98 1.212 60'. Sold 3/2018. 1970 SS 396 restoration project in progress. Bought 5/2018. If you are going to stay 355, 180cc heads will support that CID to 7000 rpm. If you plan on a 383 or larger down the road then 195's. AFR has high I/E ration, they need narrow split cams.The 882 was #5 of the five castings tested, and casting 041 was the best. I seem to remember 993's were second best. The 041 is a heavy cast head with 64cc. The 882's and 993's are 76cc. The 882 is OK, not the best or the worst of small block chevy performance heads. dave.383 Stroker. -5cc flat top pistons. w/ 64CC heads (pro comp aluminum) estimated compression from Eagle (bottom end) is 10.7:1. I think (??) the recommended plugs for the aluminum heads are Champion RC12YC (Autolite 3924); however the current plugs are a hotter plug Champion RC14YC (Autolite 3926). These plugs are a gasketed, .750" reach plug.Part# 1039-716. AFR`s 195cc "Competition" heads are the preferred choice for a more aggressive street or street/strip build. They 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 6500-6800 RPM.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 ...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 ...The most common dimension include: 3 5/8" between the top 2 drivers side holes, 3 1/2" between the top 2 passenger side holes, and 4 3/16" between the top left …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 ...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 ...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.on a sbc 76cc head you have to mill 0.0059 to reduce chaThe available port volumes include 180cc, 200 706 heads are very affordable. 706 heads are plentiful and easy to find. 706 heads have smaller chambers, so you don't lose compression. 706 heads are slightly superior to 862 heads due to how ...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. The 882 head is the most produced chevy cyli 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.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 … SBC head ? General engine tech -- Drag Raci

So, 336, 487 (x), 991, 993 are all "top of the heap" for desirability. Often, 991 is "heavy duty" with small intake valves (1.72") and large exhaust valve stems. There ARE other castings that are pretty good, but these are the most common. There are two "882" castings. One is a heavy casting, and pretty tough.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.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.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 ...If your rules require the use of “open chamber” heads, the ‘441, ‘487 & ‘993 heads work the best. While these heads are not available new from Chevrolet, we have a good supply. We can also modify your open chamber heads. Our “ Undercover Porting ” will improve the air flow of stock open chamber heads from 203 cfm intake and 142 ...

Chevy Small Block Cylinder Head Identification Guide Borrowed from CAR CRAFT Magazine. Key: Cast Marks: Cast Nos. Description: A : Rectangle 460 ... 882: Large chamber (76cc), hardened exhaust valve seats, compromised intake port('71-'76 350/400cid), best of lightweight heads: J :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 ...Head removal on the Chevy 350 and I am very pleased with what I find!…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Aug 14, 2005 · The 882 head is the most produced c. Possible cause: As an example, we have tested a 383ci small-block with 9.5:1 compression usin.