Rite now im building a 418w stroker that has a 6,500-7,200rpm redline,(418w Stroker, Probe pistons, h-beam rods, 4340 hawks crank, ProTopline 215cc/56cc/2.08-1.60 valves, Comp XFI 236HR-14/.579lift/286-300dur., 1.6rr's, 28oz balncer, 80mm maf, 75mm TB, Victor 5.8l efi intake, ProComp efi...