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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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hes got a vert..dont know if that makes a big diff...and it might be an auto too.
im too afraid to go over 3. WAY to many stories aobut ppl breaking stock rear ends with just dr's. unless you got a beefed up rear end...ill second glance your mods this time;)
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