My Cobra with 4.10 gears, BBK CAI, UD pulleys, O/R H pipe, Catback, and shifter went 13.1@109mph. If I had had 4.30+ gears I would have been in the 12.5 range. This was with IRS and a 2.0 60' (tire limited).
How would you be able to pick up over half a secong in the quarter with just a swap from 4.10's to 4.30's? :bs: