Take the rear cover off and get that stock retainer spring out of there and replace it with an F-150 spring. They are a lot beefier. I have one in mine and my car will get posi from a second gear roll and lay twin patches of rubber until the car grabs and goes. Neither feathers off before the other. I haven't tried a doughnut yet, but I know the car could easily make me dizzy.
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Gunning for 12's!
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