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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.406, Dart Pro 1 aluminum heads, Comp 294s solid,Eagle rotating assembly with 6.0" rods,JE forged pistons,Edelbrock RPM intake with Holley 750 HP, all MSD ignition, Torco 3500 stall. That is a great web sight. Already checked there though. The 14102193's are off a 94 3/4 ton Chevy 350.The long-block comes complete with an oil pump and pan, as well as a timing-chain cover and valve covers. The cam is a simple flat-tappet hydraulic with specs that are bone-stock tame. The 76cc chamber cast-iron heads (casting number 83417368) are fitted with 1.94/1.50-inch intake and exhaust valves and stock stamped-steel rockers"Aluminum SBC Cylinder Heads. A lot has changed in the performance cylinder head market since my last head story in EB in 2010. First of all, 600hp is the new 500hp, and if a power adder is involved, you’d better be packing 800hp to have any bragging rights at all. By Len Emanuelson. Published: May 4, 2017.The car has a very mild 383; 8.5-9.0 scr, stock heads, q-jet with stock manifold, stock exhaust manifolds with dual exhaust (no cats),700R automatic, 3.42 gears. He was wanting a daily driver that got acceptable mpg. THe low speed and mid range power is very responsive, very good power. It is pretty much done by 5000 rpms though.There are two different types of 882's - heavy and lightweight. The lightweight are crack prone, the heavy are not. If you want to only make 300hp, these heads will do it with some flat top pistons. The best factory heads are Vortec's that came on the last 350's, but they take a specific intake and centerbolt valve covers.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.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 ...you want a flat top piston engine, so look for some thing with a 72 cc chamber so you compressions does got to high then you can stay away from a dish piston. i use to run the 882 casting # sbc oem heads with a 202 int and screw in studs on a 383 short block and it made great power and an azz load of tq, doug herbert has sbc roller cam, lifters, etc for great prices.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 ...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.There is a 14 up towards the carb. Heading towards the front of the engine I found what looks like seven 8's, then in the middle I found 4GM and towards the front I found recro en mexico. And to add to the fun the PO was running motorcraft arf 4 spark plugs. I looked at the front of the engine on the ends of the heads but I don't see any numbers.The Chevy 193 Heads are the 1987-1995 TBI 350 cylinder heads Grumpy. I have the Heads off the 1994 K1500 Suburban. I am not impressed how thin the cylinder head decks are. About 10 times thinner than a Pontiac 400-455 Engine, Olds 425-455 & 366-427 Tall Deck, & Musclecar era 1965-1974 BBC engines.Both the 441 and 487 are both heavy casted stock heads, but have 76cc chambers which aren`t great but workable, I would give it a Quench distance of around .040 to help out the somewhat inefficient chambers. For a daily driver with the edelbrock performer package, the stock 1.94 1.50 valves are fine.ARP Cylinder Head Stud Kit 90-01 Acura Integra 1.8L DOHC NON-VTEC B18A1 208-4302. $179.55. Trending at $189.38. Find many great new & used options and get the best deals for 58 CC Small Block Chevrolet Rebuilt Cylinder Heads at the best online prices at eBay! Free shipping for many products!Hello, I have a 67 327 sbc. and i have a pair of heads for it 882's ready to bolt on. Is this a good choice will it work. i dont have alot of money. but...The heads had 100,000 miles on them and the seats were not bad..my uncle gave them to me and he did the stone 3 angle valve job. Guides were fine. Run em. Those 882 heads at least the ones I measured had the largest volume runner of all the smogger era heads. The down fall of the 882 in my book is the exhaust port in the bowl area.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...Re: 333882 heads,,should they be on my 350 (comp) L82 333882 heads had 2.02/1.60 valves, guideplates, 76cc chambers, 151cc intake runners. L48 333882 heads had the smaller intake valves, no guideplates. These are "smog" heads and are prone to cracking because of the thin area between the two paths for the exhaust crossover AND because of this ...Chevy 350 block bored .030, "882" heads, Summit 1104 hydraulic flat tappet cam (466/466 lift 224/224 dur @ 50), 600cfm Holley carb.The STOCK 70-74 heads, which are 76cc heads, used with 5.7 (350) rods and flat top pistons, will produce about 9.6 comp. DO NOT USE ANY STOCK 75-LATER CHEVY HEADS ON A 400. In 1975, Chevy started cutting corners on their heads to save a little weight. In 75 the heads had a second exhaust crossover port added which produced more head heat.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.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 …In this video here we check for proper pushrod lThe all-new E-Street head is a completely ne Competition Products offers kits with correct components. Also stock production heads do not support flow/volume much over about .480 lift. or 6000 rpm. A lot of responses will give you answers that they are running .500+ lifts on stock heads and they make horsepower. But in real life, these are usually a waste of parts.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 ... Free Shipping - Summit Racing™ Cast Iron Cylinder Heads What SBC heads are suitable for 500 hp? For a 500 hp Small Block Chevy, you’ll want high-quality, high-flowing cylinder heads. Some options include AFR 210 competition heads, Brodix IK 200 heads, or Dart Iron Eagle Platinum heads. Remember to match your heads to your camshaft, intake manifold, and exhaust system for the best … Headshake. 208 posts · Joined 2002. #6 · Mar 26, 2017.

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.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: 10.88.4636 posts · Joined 2005. #2 · Dec 24, 2009. I went through this thought process a few years back when the E heads where new. I basically settled on the Performer RPM heads. Main reason was a more conventional appearance (mine's a resto mod). If you are looking at new heads and manifold, why not step up to the new technology design.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.

Nov 21, 2017 · 69Chvll 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.Sep 3, 2004 · 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.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.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. On the plus side, the Vortec intake port flows 42 cfm better than . Possible cause: Competition Products offers kits with correct components. Also stock produc.