Have been looking at my rear diff and the ratio is a 3.54, i thought he std legacy turbos had 3.9 cwp.

What diff ratio would you suggest for a lightly modded car used as a daily driver and road rallies.

 

yeah 3.9 ratio on the front, and 3.545 on the rear. reason is, in the rear of the gearbox there is a 1.1:1 ratio gear to make up for the difference.

cheers
ian

p.s. i got an sti ra close ratio box with diffs 4.1 i think. bit low for motorway though, 4000rpm @ 80mph!