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hey. newbie here. dont know if this is anywhere else, so im putting it here. got a '63 pontiac GTO that im trying to get below 12s on the strip. so far my best is 12.194@approx 130 mph. ive tried softening the springs, changing the ride height, everything. i even have it on the bottle. there's too much wheel spin at the start. any help appreciated. thanks.