Originally Posted by 1slow370

honestly in my experience the best reason not to raise the rev limit on the z is that the trans is garbage at high rev's it shifts like crap past 7000 and the synchros cant handle it. once liberty actually releases their cd009 faceplates that wont be a problem anymore but they are already a year behind on it. other reasons to not rev out a z is there is little to no support for the induction system to actually work up there. you fight the vvel and ecu, cams are expensive, you have to deal with the oil pump which requires tearing the whole motor apart, and all the manifolds on the market don't make appreciable power past 7800. torque starts dropping like a rock. if you look at the dynos from my car vs the dynos from soho's stroker you can see we made roughly the same hp but the curves are massively different.