I was looking at getting an x-charger at some point but I wanted to know a few things about them first. I have a 7.5 rear with 3.73 gears would I really need to up it to the 8.5 rear? I don't beat on my car I would just need it to hand a few track pulls and a little bit of abuse from time to time. Would the 7.5 be okay for this? Also what about our driveshaft I know it should be replaced but how long would it last? I don't plan to do over 110mph though which is when it usually runs into problems. Is the kit able to just be bolted on and good to go without any major upgrades right away?
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