Leave your stock axles in there until the break. Launch on slicks. And powershift the best you can! I have been running my t-5 and stock axles for 2 years now. I launch at 5,000 on slicks. My motor makes just over 350 at the wheels and I am running a 150 shot of spray. I powershift with the best of them and my tranny needs new synchros yes, but I put those in every 2-3 years wether they are bad or not. The tremecs are not worth the moeny I don't think. A buddy of mine is using one in his 10sec car, and he puts new synchros in every 2 years also. The tremecs shift sloppy & crappy too.
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