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change in 1/4 mile ET?

1692 Views 41 Replies 19 Participants Last post by  crumbie50
Of course I installed LT's and 4:10s blah blah blah... just like everyone else the 4:10s made the biggest difference in ET but the headers ehh not so much. So my question is how much of a difference will a tuner tuned by the right guy make in my ET. Keeping in mind I'm lucky to run a 13.9 lately and has never been tuned.
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your running high 13's with those should be very low 13's if not high 12's...sounds like the biggest difference you can make is the driver mod...get out there and practice man. a stock gt can pull of 13.8's with a good driver
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