Originally Posted by
scoooby slayer
I'm on the big 1.45 a/r housing so restriction is down to a minimum, it would no doubt benefit from the 1.05 a/r at its current tune but it requires modification to fit which I'm not prepared to do, the big housing will be keeping temps as low as possible and if I ever want to go for more power and torque it's just a case of wind it up and prey lol
I went from a Garrett 0.48 to a Holset 7cm2 and reduced EGT by over 250degC. The reduction in size is notable. T3 down to a T25 size, a tiny turbine wheel in comparison yet hugely more efficient.