Some say it helps and some say it does nothing at the track. Just looking for someone who has actually done the mod thier selves and picked up at the track after doing the short stacks.
Some say it helps and some say it does nothing at the track. Just looking for someone who has actually done the mod thier selves and picked up at the track after doing the short stacks.
I did, and it did improve my mph and time just slightly, it was right at sunset so the summer temps could have effected it, I used all short, think they were off a 07? Ron Ayers sold them for $11 each
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