WebJan 20, 2012 · quality of assembled heads varied widely depending mostly on the things that quality always depends on. quality of parts used, skill of machinists, time alloted to machinists and assemblers. Buy cheap heads, don't be surprised if you get cheap heads. I personally have had good luck with AFR, Brodix, TFS and Edelbrock. WebIn 1986, Chevy debuted the L-98 Corvette engine with aluminum heads. At first these seemed to be an excellent way to upgrade a small-block with factory aluminum castings. …
Three Ways to Pick Up Power with Your 350 Chevy Engine - MotorTrend
WebJul 2, 2024 · The Chevy 350 engine remains one of the most rebuilt, upgraded, tuned and reworked engines in history because of these three very good reasons: it is easy to build and rebuild, performance is … WebRam Air III Pontiac Heads Pontiac V8 Cylinder Heads. Over the years Pontiac v8 Cylinder heads came in many specifications. Pontiac used different valves and combustion chamber size for their V8s to change compression ratios, fuel economy, and horsepower output. All Pontiac V8 cylinder heads from 1955 to 1976 are essentially interchangeable. extended stay sterling heights mi
CHEVROLET 5.7L/350 Cylinder Heads - Summit Racing …
WebAug 29, 2011 · The old school solution to those class rules was, as big duece noted, 461X heads; their intake runner volume is 10cc + larger than the 461 (no "X") heads. They are relatively hard to find, but still out there. The first place I would start is to use 2.02 or 2.05 valves on the intake, and 1.6 on the exhaust, if you aren't already. WebThe most famous heads are the 461 and 462 heads that offer 160-cc intake ports, 64-cc chambers, and 2.02/1.60-inch valve sizes. For years, these were coveted castings in the performance community that were not … WebDec 24, 2004 · The 993 heads were used in 72-73 Chevy 350s, many of them were the 250 horsepower version. These heads are very similar to the 441 and 493 400 small block head. They are more preferred over the 882 head due to their heavier casting. They yield average flow numbers, but respond to modifications just like any other small block head. extended stay stephenville tx