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So was the .4 drop caused by the UD pulley or Track prep? Iv been looking at some but everyone i see talk about them says there not worth it. .4 tenths is worth it to me
yeah track prep was awsome i was finally able to launch at 2500rpm vs breaking loose at 2500rpm. its supposedly good for .2 but i doubt that. i was 14.83 @ 94.01 now a 14.4 @ 94.59