GT Performance Mods 2005+ Mustang GT Performance and Technical Information

track tommorow. how much air to let out of tires?

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Old 4/11/06, 07:39 PM
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how much air sahould i let out of my tires for the track to improve traction. ive heard run around 20psi with my tires.
Old 4/11/06, 07:46 PM
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stock tires? none
Old 4/11/06, 08:23 PM
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Stock tires you should run 22-24. I tried both and launched A LOT better with the lower pressure. Improved my 60ft's by about a tenth of a second. General rule of thumb is every .1 off your 60ft relates to about .15 off your 1/4 mile run. I would also pump your front tires up to around 45.
Old 4/11/06, 08:50 PM
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Welp...I ran at Atco last tuesday and on stock pressure I was running 13.5 13.4's, with just over 2 second 60 foots...then I dropped mine down to 27 psi and launched at close to 3000rpm and got a 1.983 60" and ran a 13.289... So I vote for 25-27 psi on street tires.
Old 4/11/06, 09:31 PM
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street tires but not stock. geforce kdw's 275/40/18 on konig beyond 18x9.5 rims
Old 4/11/06, 09:55 PM
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so should we always be running 24-27 psi? Even on the streets? [img]style_emoticons/<#EMO_DIR#>/dunno.gif[/img]
Old 4/11/06, 11:15 PM
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oh brother
Old 4/12/06, 10:31 PM
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You should run the normal (32psi) or so on the street and lower at the track.
Old 4/13/06, 08:45 AM
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<div class='quotetop'>QUOTE(94tbird @ April 11, 2006, 11:34 PM) Quoted post</div><div class='quotemain'>
street tires but not stock. geforce kdw's 275/40/18 on konig beyond 18x9.5 rims
[/b][/quote]

I have the same setup so it will be nice to know what everyone thinks as well. I might be going to the track this weekend. Assuming the site stays up long enough for people to post. [img]style_emoticons/<#EMO_DIR#>/wink.gif[/img]
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