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1. If I were to go with 3.73's how would first gear be, and |I guess same question applies to 3.55's. I have heard some people say first gear is basically useless after the gear change, but I think that would be more for the 4.10's...
2. I suppose one other thing I will have to check is what gear is currently in there. As far as I know it is stock, but maybe it has been changed already at some point. Am I right that the way to do this is jack the back end up and rotate the tire one full turn and count the drive shaft rotations? That seems to be what I recall hearing.