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Old 12-20-2019, 11:53 AM   #8 (permalink)
Big Dave
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Join Date: Jan 2008
Location: Steppes of Central Indiana
Posts: 1,313

The Red Baron - '00 Ford F-350 XLT
90 day: 27.99 mpg (US)

Impala Phase Zero - '96 Chevrolet Impala SS
90 day: 21.03 mpg (US)
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What's your final gear ratio?

That Cummins can live with a staggeringly low (numerically) ratio.

My 7.3 Powerstroke thrives of (3.08 x 0.8 =) 2.45:1 plus the ZF6-550's overdrive gear.

Low gear ratios are very potent for diesels.
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2000 Ford F-350 SC 4x2 6 Speed Manual
4" Slam
3.08:1 gears and Gear Vendor Overdrive
Rubber Conveyor Belt Air Dam
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