So as per the INDY head numbers its...

1.5 times the flow in, than out, (460-320) will make in excess of 820 hp...

But I will will be using twin turbos, so I'm guessing that 300cfm, 'in and out' will be fine...? whistling shruggy catfight

Last edited by Gtxxjon; 03/08/21 07:19 AM.

Carpe diem, quam minimum credula postero, thanx Horace!

There’s no point trying to fix stuff that ain’t broke,,, 'but if ain’t broke',,, you is not trying hard enough...