Generation IV Internal Engine - pics of ls6/1 pistons notched for ls7 heads



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Greg Fell
03-03-2006, 11:53 PM
4.100 bore diamond -7 cc pistons

used an isky 2 3/8 piston notching tool. standard gm valves, 2.20 ti intake, 1.610 hollow stainless exhaust.

i'll be doing the exhaust valves tomorrow. using a 1 5/8 notching tool for that.

Richard@WCCH
03-05-2006, 01:03 AM
Nice work Greg.
Looks like a fair bit comes out of the back wall of the pocket. I'm curious to see how the exhaust pocket sets up. Thanks for posting this info.


Richard :)
Ferocity02
03-05-2006, 01:14 AM
Greg, as of right now I am planning on using LS7 heads as well, but the flycuts in my pistons I believe are for 15 degree LS1/6 heads/valves. Is flycutting the pistons for the LS7 heads necessary, assuming the cam is mild.

Greg Fell
03-30-2006, 09:38 AM
Greg, as of right now I am planning on using LS7 heads as well, but the flycuts in my pistons I believe are for 15 degree LS1/6 heads/valves. Is flycutting the pistons for the LS7 heads necessary, assuming the cam is mild.
Yes, it will be.