WebApr 11, 2024 · Find many great new & used options and get the best deals for David Vizard's How to Build Max-Performance Chevy Small at the best online prices at eBay! ... The Budget Racer''s Big-Power Ticket Cylinder Heads Detailing and Assembly Porting 186/041-Style Head Castings Porting L98 Corvette Heads Porting L31 Vortec Heads … WebNov 1, 2000 · Unfortunately, this small chamber combined with a flat-top, 6cc valve relief piston, a 0.015-inch deck, and a 0.041-inch thick gasket creates an excessive 10.6:1 ratio—too much for an iron-head ...
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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. If … See more Although I have not tested every single small-block Chevy casting, I have pretty much tested every sub group. If your budget constrains you to use a factory casting, then be … See more Other than Vortec heads, most of the “desirable” castings you will locate could be as much as 30 years old, or older, and will need a rebuild. As stated earlier, you should have bought … See more Decisions on valve sizes need to be made at this point. Anything less than 1.94/1.5 intake/exhaust combination in a bore of 4 inches or more isn’t … See more Let’s talk a little more about guides before moving on. Ideally, the valve-stem-to-guide clearances need to be about 0.0015 inch on the intake … See more Web380 cnc ported brodex bb chevy heads. new brodex cnc ported heads 380 . this is a set of brodex bb chevy heads brand new 380 runners 119 cc... Posted Yesterday, 1:47 PM … system mechanic ultimate defense review
Are 041 cyclinder heads any good?? - Team Camaro Tech
WebChevy – Dohc – Ecotec – with EGR on back of head: 304/557: CH30317: $410.00: GM: 2.2-2.4: L4: 02-08: Early Chevy Ecotec – Need photo of the front of the intake cam: 788: … WebCylinder Heads, Aluminum, Assembled, 64cc Chamber, 200cc Intake Runner, Chevy, Small Block, .525 in. Lift Max, for Flat Tappet Cam, Pair Part Number: SUM-162112 4.25 out of 5 stars ( 8 ) WebFeb 15, 2015 · 1,232 Posts. Discussion Starter · #1 · Feb 13, 2015 (Edited) I asked about quick tips for adding 50 hp and most of you commonly said upgrade the heads. These are the stock original heads 3947041. It's the original motor so Id like to keep them entact and upgrade these. I heard the can be converted to 2.02/1.6. system mechanic ultimate defense service