ok so i just wanna build a 400 hp street car or around that, i dont really know alot about what would be best for my motor but ive decided to keep it affordable and go with a 60-1 but need to know what size would be best for my motor.. heres what ive got..

gsr stock bore 9-1 aries pistons
pauter rods
gsr head with stock valve size, supertech valvetrain and gsr cams
jg sheetmetal prototype intake manifold with gsr tb
short tubular turbo mani
38mm tial wg with 10lb spring
3 bar map
not sure what intercooler but the outlets r 2 1/4
2 1/2 inch intercooler piping
3 inch dp and exhaust
880cc precision injectors
walbro 255 fuel pump
i think thats it..

hers the turbos im looking at.. and i wanna run around 14psi

http://cheapturbo.stores.yahoo.net/gat3w82ar.html

http://cheapturbo.stores.yahoo.net/gat3w63ar.html

any advice would be great thanx

 

57 trim .63ar will be perfect for your goals...