WebLS3 Cylinder Head Assembly. • Aluminum performance head. • Fits any LS family engine with 4.000" bore or larger. • 2.165" hollow stem intake, and 1.590" solid stem exhaust valves. • .550" max valve lift. • As-cast L92 style intake ports. WebFeb 1, 1999 · GM's New Fast Burn Small-Block Cylinder Heads. GM Performance Parts (GMPP), the corporation's high-performance arm, has just released a new cylinder head …
Vortec Head and 1.6 rockers and GMPP Hot Cam Hot Rod Forum
WebDec 11, 2008 · 5,210 Posts. #2 · Dec 14, 2008. [I found these flow numbers on another forum, but they might be of some help to you] Numbers are at 28" of of a SF600 Bench. This is flowed with a 4.500" fixture. Intake had radius fixture and exhaust is with 1 7/8" pipe. GM #12363390 Alum Oval Port Head-stock. Intake Valve 2.250 " Exhaust Valve 1.800 ". WebNov 26, 2010 · We both had the GMPP heads, new out of the boxes. BOTH of our cars slowed down when I bolted on a set of AFR 305's and he bolted on a Dart Pro1 310. Needless to say, I like the Eddys/GMPP's. *69 SS 502 EFI /224-228* HR/9.8:1/T56/3.90/ 4000lbs RW 11.5/124mph -with a "top fuel" timing curve hayward drain parts
19417592 - Chevrolet Performance Small Block Chevy "Fast Burn" …
WebJan 14, 2005 · 5,463 Posts. #11 · Jan 13, 2005. The Hot cam was designed with 1.6 rockers in mind. The Hot cam kit comes with rockers, but the cam is available by itself. Lift with 1.5 rockers is .492", with 1.6's, it's .525". The Vortec heads don't … WebFeb 27, 2015 · The only differences I noticed were the PRC heads have the option to upgrade the springs and valves for an additional fee. The PRC's also allow you to choose your combustion chamber size. Base prices on the heads differ almost $400. EDIT: Flow figures included. Chevy performance CNC Ported LS3 Heads: WebOur gen 5 LT1 cylinder heads and camshaft package is a must for the enthusiast looking to use the full potential of their 6.2L LT1 engine! The TSP heads/cam package will include the following items: Precision Race … boucher expressa