Quote:
Originally Posted by Jedi1
The ring and pinion set in the actual rear end is the "final drive". I have seen up to a 4:30 ratio offered. Haven't found exact info on our cars to know what came in the car from the factory. I think we have a 4:10 in the car now. The switch to the 4:30 set will effectively shorten all of gear ratios and in turn make the car accelerate quicker. There are trade offs in cruising rpm being higher and probably a little mpg hit.
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Anything between 4:23-4:44 would be great. My only one big concern are potentials issues with the ECU and/or traction control/abs. In other cars i've had, changing wheel sizes in which any ratio between the front and rear tire sizes are "off" would put the Traction Control System into a hissy fit. Presumably changing the FD would still preserve both front and rear ratios but if say the speed sensor was in the trans and in both front tires then it's all screwed up. I *hope* i'm overthinking this but with modern cars these days you never know...