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4.30 or 4.56

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Old 10-24-2011, 10:27 PM
  #1  
Orange Blaze
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Default 4.30 or 4.56

I have a 2002 mustang gt, comp 270 cams, 78mm bbk throttle intake, professional products intake manifold, S&B coldair intake, underdrive pulleys, BBK long tube headers, 3.55 gears, SCT tune, 30lb injectors, 255lph fuel pump, 275/50/15 nitto 555r's, zoom stage 3 clutch and a T-56 6-speed transmission(1st 2.97 2nd 2.10 3rd 1.46 4th 1.00 5th .74 6th .50). Last time I had it at the strip I ran a 2.0 60ft 13.3@103mph @5000rpm. I can rev up to 6500 and make power, so shift about 6500. I am leaving it N/A so I want to gear it as low as I can. I was thinking that 4.30 would be as low as I should go. I want to get as many opinions as possible, Thanks
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Old 10-24-2011, 10:39 PM
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mustangmancp
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Do you drive the car a lot on the street??? Id say 4.30 would be PLENTY
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Old 10-24-2011, 10:53 PM
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dwtjr3
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Depends a lot on if u wana run a DR or not and if so what size?
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Old 10-24-2011, 10:54 PM
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Orange Blaze
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I drive the car everyday
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Old 10-24-2011, 11:02 PM
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H0SS302
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if you had a cobra, id say 4.56...but with a 2v 4.30 is pushing it.
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Old 10-25-2011, 06:44 PM
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Mustang_NTriangle
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4.30s is a bit much for my taste but with T-56 it may work out nicely for you. I wish I had a T-56 tranny.
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Old 10-25-2011, 07:23 PM
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03greyGT
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Im running 4.30s and my car is N/A as well, obviously. Thats the gear that I need to run at the track with my tire size and powerband. If youre gearing it to optimize track times, then it depends on what youre tire size is, where your car makes power, etc. If youre looking for fun on the street, then its really up to you...
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