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Old 03-12-2007, 11:47 AM   #3
Coupe50h
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Join Date: Aug 2002
Location: SanAntonio, Tx
Posts: 957
Default Re: Not enough back pressure?

Hmm, good post, cuz ever since i cut my tailpipes off, i havent been able to run as fast in the 1/4, but pretty close.
I wonder if it hurts the torque that much?
Im pretty sure an n/a 5.0 will feel more torque with Some backpressure, anyone have any dyno test to confirm this?
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X-Texas highway patrol ssp 1990 coupe - exploder Gt-40 iron heads, Explorer intake, 19 lber's. E-cam. crane 1.7 rollers. 190fp. 75mm maf. 65mm tb, tubular subframe connectors, mac cai, Asp crank pulley, T-5, king cobra clutch, flowtech 1-5/8 unequals, mac X-pipe Frpp driveshaft, lakewood Lca's.
race weight 3,160

12.69 @ 107.35, 1.71 60' 26x8.5 drag's 3.90 gear

13.20 @ 106.91 - 235/60/15 firestones 2.3 60' 3.27 gear
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