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I have a 2000 gt with an auto trans and at the moment my ring and pinion need to be replaced (4.10's). I just bought the car a bit ago and it has most of the standard bolt-ons plus a stage 1 cam and drag radials. My question is should I upgrade to a 31 spline axle due to the drag radials? The car might get tracked maybe twice this summer if it's lucky. I also don't plan on keeping the car for much more than a year from now. I do like to get on the gas a lot, but if I'm not launching it hard all the time should the rear end survive the summer with the stock 28 spline? Thanks