I was originally gonna build an ls/vtec, throw a t4/67 on it with all the full-race sttle goodies and call it a day. I drove a k20 eg and am hooked....I just want to boost one too. This will be a fully built motor top to bottom. Should I go with the same size? or maybe a bigger one but BB or what? I know the sc61, the T4/67's the T3/67's make good power on B series, but thats a 2.0L. My frank motor is going to have 2.6L's (maybe 2.5L) after boring. I just want to get the best turbo I can for this motor. Should I stick with the T4/67 or wha?

Sorry for the newbie style of question but I have never planned any type of turbo setup for more than a 2.0L

 

with the t4/t67 you can do 700 whp on race gasoline, and still make a ton on pump gas, probably around 500 on 91 octane... if you do care about spool use a t3/t67 with a .82 a/r