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1965 Mustang coupe
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72,505 Posts
Gears in the rear. V8 has 8 inch v6 has 7.5 inch

Stock for 05 - 06
Auto 3:31
5 speed 3:55

Stock for 07 -08
All 3:31
08 Bullit 3:73

The higher the gear number the quicker the acceleration, but also higher RPMs at speed.

So a 3:73 gear will be quicker then a 3:31 gear. But the 3:31 gear will have a lower RPM at the same speed and better MPG

Ford now has the 3:31 stock for better MPGs
Actually they're 8.8".
 

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Premium Member
1965 Mustang coupe
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72,505 Posts
You're not going to feel much going from 3.55 to 3.73. What else have you done to the car to get to 340/350? Or are those flywheel horsepower numbers?
 

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Premium Member
1965 Mustang coupe
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72,505 Posts
Yeah...that's flywheel. (Sheesh...wish that was rwhp!!!). :)

93-octane Evolution tune, JLT cold air intake, Steeda underdrive pulley, Flowmasters, BBK shorties, X-pipe, and big shoes...
Keep it up. It's not impossible.:bigthumbsup
 
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