okay I just bought a .48/.63 t3 for my ls is this bigg enough? Next is can I use this turbo on a sohc like a built up a6 for my brother to use at pacific raceways for high school drags any help or smart *** coments welcome

 

You mean 48/60...........it would be my choice of turbo

 

yeah it should work nicely on either car

 

 

cool thanks guys and the person I bought it from says it's a .48/.63

 

post a pic, maybe you got the butt of the hybrid, 42/63