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Tech: GM 1st Gen Heads vs. Vortec Heads Reader Guide. By Bobby Kimbrough April 13, 2015. Chevrolet’s small-block Chevy was manufactured beginning in 1955, and the first-generation engines (Gen I) can still be purchased as a replacement crate-engine through Chevrolet Performance. In 2005, General Motors estimated that 90 …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 …Most Practical Cylinder Heads for 383 build up. Greetings and Happy New Year from the new guy to all of you out in hot rodder land. At this point, I bring only a few questions to the table. Before, I ask them, let me throw out some info on what I am doing. I have a 350 4 bolt main block that was made between '77- '79.Bandaging that gnarly cut before you head to the emergency room? Snap a pic first. We’ve advised you before to take photos of your children before a big outing, screenshot your boa...

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 ...Heads. Small Block Chevy. Asymmetrical. 4.400 | Cast Aluminum; ... Small Block Chevy. The SBX-T is made specifically for turbocharged or boosted applications of varying displacements. Ports are designed around the low valve-lift characteristics generally found in these type of engines. A solid version is also available.Lifetime Gold Member. Jan 17, 2003. 3,625. BC, Canada. The 624 is a light-weight version of the 882, so as Adam and Rust mentioned, basically a crack-prone casting from the smogger era and about the worst of the worst flow-wise and durability-wise. Dec 7, …wondering what kind of plugs i should be looking for to put in my motor. 1975 motor and heads.. 333882 head castings. Probably flat top pistons. MSD digital 6 plus ignition with SS blaster coil. Holly 750 with hooker full headers. NGK YR55 or NGK xR5 I was considering but ill take other options.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.

As most kids are already back in school, my daughter is enjoying a couple weeks more of summer bliss before she heads to Pre-K with her friends. I know it... Edit Your Post Publish...Someone actually gave me that 350 sbc engine with the 882 heads because of the lack luster performance. As soon as I replaced the 882 heads, it was a whole different motor. The 882 heads were rebuilt with new valve a good 3 angle valve job and milled to 69cc. But not ported at all. The engine compression was good.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." ….

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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 …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 …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 …

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.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 ...

fema treasury 310 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. ...Oct 10, 2004 · This is especially critical if you are using a performance cam. Most stock small-block Chevy springs, for example, limit total valve lift to no more than about .500 inch. This is why checking these clearances is so important. Up to this point, all of these operations are necessary for a proper rebuild of your heads. firing order for a chevy 454bd members Find Parts and Accessories sbc head gaskets KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Save Up ... Cast Iron, 9.025 in. Deck Height, 4.125 in. Bore, 4-Bolt Main, 2 Piece Rear Main Seal, Small Block, Chevy,Each. Part Number: DRT-31162212. Not Yet Reviewed. Estimated Ship Date: Jul 23, 2024 if ordered today. Free Shipping ...The block deck height on any small block Chevy is +/- 9.025" as produced at the factory. I put the +/- signs there because 9.025" is the blueprint dimension. It doesn't assure that any block you encounter will be 9.025" or that the block decks will be square to the main bearing bore on all four corners of the block. how to change cannon safe code 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. channel 10 news knoxville tennesseequizlet indiana permit testainsley seiger feet Celery grows in a collective unit of ribs that grow together, joined at a common base. This unit is referred to as a head of celery. Although stalk and head are both considered to ...With any of those cams, incl the Hot Cam, and your Vortec heads, be sure to run. an Edelbrock Performer RPM intake and. about a 750 carb and 1-5/8 headers. With those heads you should be able. to run near 9.5 compression on 91 octane. Read that 406 article, they used Vortecs. and see what they ran for compression. caughman harman lexington sc 487x heads flow the best out of all the big chamber medium valve heads (1.94/1.50) these are highly sought after and would give you a small performance boost over your 624 or 882 heads. Many classes of dirt track racing are restricted to these large chamber heads and the racers are looking for this casting number specifically. athena grand showtimespenney curtainspublix willow oaks 487x heads flow the best out of all the big chamber medium valve heads (1.94/1.50) these are highly sought after and would give you a small performance boost over your 624 or 882 heads. Many classes of dirt track racing are restricted to these large chamber heads and the racers are looking for this casting number specifically.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.