I have a buddy with an 03 GT, with a Flowmaster cat-back, CAI, BBK Throttle body and intake plenum. What should he be shifting at? We are gonna head out to speedworld tonight....
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Thread: 2003 MustangGT
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02-23-08, 03:08 PM #1Senior Member
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2003 MustangGT
04' F150 Supercrew
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02-23-08, 04:07 PM #2Senior Member
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6100
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02-23-08, 10:56 PM #3Senior Member
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redline 5800 any more over reving the motor could go less but i never saw a benefit in times shitting a 5500. 5800 was my best et's precams. after cams i reved it to 6500ish in first and then 6200-6300 the other gears
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02-24-08, 08:44 AM #4Senior Member
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Shifted friends 01 gt at 6100 with all boltons..ran a 13.5 at 102 with 3.73's mid pipe ,catback ,cold air,u/d's,and a diablo tuner..seemed to be the cherry spot....But im sure not all 2v's are the same....heard the cams are all degreed not the same...factory slop
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02-24-08, 03:09 PM #5Senior Member
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Well He let me drive the car. Best out of 3 runs I managed a 14.1 at 99. Its on street tires 235/45/17, very skinny I believe
04' F150 Supercrew
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