wastegate choice ?

[RickM415]

ok here we go .... what size of wastegates would be recomended for 8psi-12psi range on a twin turbo setup for an ls1 stock bore 346?? planning on using the tial wastegates and eboost controller and a tial bov oh and turbos are 60-1

[hotwheels]

i would say 40mm, minimum.............

[nitrorocket]

I run dual racegates, no problems. 42 mm each.

[hotwheels]

That's exactly what i am running too............

[RickM415]

hmmm so what spring would i be needing for 8psi ...is it like 2 8s or 2 4s ? i would like adjustability from 8-12 thanks

[nitrorocket]

2 8's