i looking for a t6 (allready have mainifold)bep turbo to use on my stock block (with je pistons but stock rods) 2jz im looking for 700whp. this will be 70%street 30%strip car. looking at the s473 ,s474 or the s480 but dont exacty know what would make a better turbo pick. and what a/r to get, i know smaller spools faster but limits top end power. so somebody help me pick a non lag montser for the street and meet my goals.