WebOtherwise running stock 706 heads and stock truck intake with DBW throttle body. I have a spare LS short-block that is also an LM7 (I think) with 862 heads and no intake on it. My plan is to rebuild the spare block from the inside out with all new bearings, BTR "Torque" cam, Weiand aluminum intake, and then port/polish the heads. WebFeb 28, 2013 · Porting cylinder heads has long been a right of passage for serious hot rodders looking to add power on a modest budget. Armed with the right knowledge, the …
862 Heads - All you need to know - Auto Care
WebApr 23, 2024 · Final ports on the 862’s for my Turbo 4.8 build. I have the final bowl cut percentages and volumes for Intake port, Exhaust port; Combustion chamber. I’ll ... Web243/799 LS CNC Ported Heads. $ 1,150.00 – $ 1,895.00. Valve Options. Choose an option No Valves Stage 1 2.0/1.55 Stock Valves Stage 2 2.02/1.57 Stainless Valves Stage 3 2.05/1.57 Stainless Valves Stage 4 2.08/1.60 Stainless Valves. Spring Options. Choose an option No Springs .570 Lift LS6 Blue BeeHive .660 Dual Spring Kit w/ Steel Retainers ... opeb houston
706/862 Heads - Cylinder Head Pair - Remanufactured CNC Ported …
WebGo with the 862s for 3 reasons: Smaller combustion chamber will have a slightly higher compression ratio. If it's your first time porting you may as well fuck up the heads that have a lower resale value. differences in horsepower just aren't going to be a whole lot between the two once ported. WebTotal Engine Airflow specializes in CNC-PORTED cylinder heads, custom cylinder head assemblies, and support components for GM, Ford, Mopar and many other makes for street/strip, competition, and racing applications. FEATURED PRODUCTS SBC 220cc CNC ported Cylinder Heads Trick Flow Power Port BBM 02 WebNov 24, 2024 · 706 Heads Vs. 862 Heads The Chevy 706 LS Heads are semi-permanent mold (SPM) made and superior to the most common 862 heads, which are sand cast. The SPM method is a more consistent process, but porting 862 heads nullifies the difference between them. But again, porting costs cash, so 706 heads is the best choice to cast in … iowa gas auction