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I haven't tested the springs yet, This cam is supposed to be easy on springs according to Comp, We only go 200ft a pass and the most we have turned is like 7400 a few times... more like 6900 on ave, I guess its time to pull the springs & check... man if it ain't one thing its another 
that's the racing game! was the popping sound only the 1 run or is it still there? many times , weak valve springs will sound fine until they are under a load and hit 4k rpms or more 
Last edited by ek3; 07/29/13 11:14 PM.
