Originally Posted by Carlsworth
Originally Posted by Jasesapphy
.63 i reckon, could go .55 if you dont want the lag
or keep the .48...
fooking miles better imo....
there was a big discussion about not long back....
think the majority went .48 too....
carl
G.B Turbo Solutions
I disagree. Having chnaged from a 48 to a 55, i hardly notice any difference in terms of spool up, but i notice the boost is kept higher up the rev range.

Im almost tempted to sell the .55 and get a .63 because im greedy when it comes to boost