i was unaware that there was a t4 sc61, does anyone one know how well they workm on an lsvtec? im looking for 400whp roughly and im pretty sure the others that ive seen on here have all had t3 housings. i did search and nothing surfaced

 

you dont need a T4 yet even an SC61 for 400hp

 

what about a t3/t04e 57trim .63a/r for 400 or more

 

i think im going t3/t4 60trim .63ar

 

Thats what i did on my b16 and made 524 hp at the crank.. So t4 is just a waist when you can get there with a t3 and have much better spool