I think what Cam is trying to do is slacken the gears to decrease torque. The current final drive is around 3.73 (if memory serves) and increasing it to a 3.08 or so would make 1st gear a bit more usable - at least for the turbo guys. It will have an ill effect on 5th but again, I wouldn't suggest it unless you were turbo'd.
Changing the ratio.
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I've seen pictures of his rear end (not quite as big or cute as Stickerdick's) but it doesn't look like he needs to change it yet.
