- Jul 13, 2017
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So I finally got my car swapped from the t5 to c4 and got it down to the track. The fastest pass the car made with the t5 was 13.00@107mph with a 265/50/15 street tire. I swapped out the 265/50/15 tires for a set of 26/8.5/15 Mickey Thompson slicks. And traded the old smash box t5 in for the c4. And am I ever happy with the end result, for a converter I decided that go with 10" 3400 stall locally built converter that's behind my little HO 302. The fastest pass was 12.82@106mph. Let me know what everyone thinks of the old turd.