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Old 10-08-2017, 02:25 PM   #12
TKat13
Mach-T
 
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Join Date: Jun 2004
Location: DFW
Posts: 2,865
Re: Big NA 4.6 Build

Quote:
Originally Posted by JaredWOT View Post
And 4.56's won't kill gas mileage?
I know the 6 speed gets better mpg than the 5 speed in any case, but would that steep of gearing make it inconsequential?
IIRC; the 6th gear ratio in cobra was a .63; the 5th gear ratio in the Mach is a .62. Not much difference, the Mach had a huge gap between 4th and 5th.
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Darrell
Black '04 Mach 1
Track Times (bone-stock w/drs):60 ft - 1.90 | 1/8 - 8.67
(100 shot,E85,4:10s,Street tire):60 ft - 1.67 | 1/8 - 7.88
New build - 750rwhp; not track tested (yet)
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Tuned by Manny @ HPP
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