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I have S/C Cobra 98' built motor, 12 lbs of boost. My problem is that I can't get 60" fts below 1.70! Car has KB subframes,welded axle tubes, 31 Mosers, Eaton posi and 4.56 Gears. Car makes 522 RWHP built by Lidio @ Alternative Auto and runs mid 11's at 121.0. Can anyone tell me if going back to 4.10's will help my overall times . I am running 28 X 11.5 MT ET Streets( new) get great 2nd gear burnouts but believe I am shifting before the sixty foot mark. Car bounces off rev limiter(7250rpm) everytime into 2nd ! Last year ran with 26 X 11.5's with exact same 60 foots. ^0 foots average 1.71 - 1.77 range. I also have HPM Sr Megabyte adjustables.(upper and lower) Just tell me if you think 4.10's will help!! Want to go 11.00-11.20 at 124.0? Thanks!
 

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To put that kind of hp to the ground, you need a drag suspension.

Talk to Bill "mustang93" on stangnet.
 
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