Re: 3.27 Diff information
Don't go any lower than 3.08! Take off will be dismal with a 3.08. For the sake of a few hundred RPM, there's really no point. You're not going to see much of a drop in fuel consumption if any at all.
1992 AXII Telstar TX5 Ghia
121kW 2.5L DOHC V6 in a car that weighs 1100kg's and looks like a 4 banger from the outside......SLEEPER!
1988 EA S Pak 3spd CFI.....Soon to be a 250rwkw HSV eating machine.