+1 on the tires. You need a good set of DR's to launch these cars without spinning. Sidewall height is a big deal as well. Running a 60 series tire, I ran 12.0 at 116 lifting the front end, with a 50 series tires more of the same, then changed over to a 17" DR with a 45 series and it was spin city all over again. My new set is 325/50-15's, should hook like a monster with the new power!
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