Originally Posted by Bosch-Man
...so we hear talk that a 60mm throttle opening is only suitable to say 550bhp..correct?...Most advise above this BHP go for upto 70mm...so OK....we got a 70mm throttle and an RS500 intercooler with 70mm in and out...BUT we have a turbo thats capable of 630bhp on pump fuel..aka the GT35 .82...but this only has a 50mm outlet....so why do we need 70mm everything else to get the power...surely 50mm should see the BHP?
Surely even more so, as its HOT at the 50mm outlet, so less danse than when it gets to the throttle.
On that same note i dunno why intercooler piping gets bigger on the cold side, when surely it should be same, or other way round...
Good thread
