just a quick question, heres my mods, B18b, shot peened stock rods, arp rod bolts, arp head studs, 9lbs flywheel, pr3 pistons, crower dual valve springs, titanum retainers and 404 cams. and the block was balanced. new b16 oil pump, rod and main berings, ect. now IF im able to make power upto 8500 rpms would my ls be able to take it? what are your opionins? thanks

 

Yup.

Your worry is the valves floating....with the crower springs, you shouldn't have a problem.