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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Is race gas hurting my times?
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<blockquote data-quote="1HUBCAP" data-source="post: 12264607" data-attributes="member: 61105"><p>We ran a best 1/8th time and mph last weekend:</p><p></p><p>6.86@104.7 w/1.57 60..</p><p></p><p>Setup is a 2.3 TVS with 82mm pulley,VMP tune,bassani catback,big and little race stars w/ 26x10 slicks.A6 with stock gears and converter.</p><p></p><p>This car is erradict.. It will run from 101 to 104,and mostly 7.0 with the lone 6.86.</p><p></p><p>The mph can be up to 103.5,and still run 7.0..We changed launch from trying to get it on the converter to just straight matting it from a dead stop. Tire psi was at 11.5 and the car was moving around pretty badly.When we dropped the air to 10,it drove nice and straight but slowed. I am thinking it bogs out of the hole when at 10 psi? We put 3 gallons of unleaded 109 VP in it after the 6.86 pass,and it slowed to 7.01@101. Should i just keep straight 93 in it? (we have a 93 tune),should i have taller tires? I am confused on why it will run 7.0's no matter the mph,except for the one pass in the 6's..</p><p></p><p>One other thing i have noticed is that at the beginning of the night the trans will shift lazy,but towards the end of the night it will get rubber in 1-2,2-3..:??:</p></blockquote><p></p>
[QUOTE="1HUBCAP, post: 12264607, member: 61105"] We ran a best 1/8th time and mph last weekend: 6.86@104.7 w/1.57 60.. Setup is a 2.3 TVS with 82mm pulley,VMP tune,bassani catback,big and little race stars w/ 26x10 slicks.A6 with stock gears and converter. This car is erradict.. It will run from 101 to 104,and mostly 7.0 with the lone 6.86. The mph can be up to 103.5,and still run 7.0..We changed launch from trying to get it on the converter to just straight matting it from a dead stop. Tire psi was at 11.5 and the car was moving around pretty badly.When we dropped the air to 10,it drove nice and straight but slowed. I am thinking it bogs out of the hole when at 10 psi? We put 3 gallons of unleaded 109 VP in it after the 6.86 pass,and it slowed to 7.01@101. Should i just keep straight 93 in it? (we have a 93 tune),should i have taller tires? I am confused on why it will run 7.0's no matter the mph,except for the one pass in the 6's.. One other thing i have noticed is that at the beginning of the night the trans will shift lazy,but towards the end of the night it will get rubber in 1-2,2-3..:??: [/QUOTE]
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Is race gas hurting my times?
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