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1999 to 2003 7.3L Power Stroke Diesel
7.3L Power Stroke Diesel equipped Super Duty and Excursion.


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Old Thu, July 8th, 2010, 01:05 AM
Captivahach Captivahach is offline
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Default Special tunes for tires and gears

So is there a special tune cause i have 37'' and stock 3:73 gears. would stock tunes affect this any. Cause my truck doest like to down shift espically with any weight behind it
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Old Thu, July 8th, 2010, 08:44 AM
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cleatus12r cleatus12r is offline
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The tunes would require a bit of modification to get the shift points back to stock. The biggest issue with stock tuning is the need to have the accelerator just about pinned to force a downshift.

Our tow programs will force a downshift with less accelerator pedal input than stock.
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