when you have a race car it will break ,the motors i build they are still runing .enough said .
i broke 2 trany's and fried a set of coils .
coils were good for 400hp.msd coils on the way

lowie ls turbo motor 17 psi runing strong
jose single cam 75 shot runing
my sr 14 psi went thru dyno at 300 brake in, and runing beautiful .

dave h22 is the only 1 that dropped a valve ,reason he would not listen big cams needs valve spring and retainers .thats that