Compression Ignition Addict
Join Date: Feb 2007
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With under 10,000lbs i think you'd be ok with 3.55s. My truck in sig is geared 3.55 and an auto, and it has alot more pickup than the cummins 96 ram 3500 4x4 geared 4.10 with a stick that my previous employer had. The trailer was 10,000 lbs and always had another 3000-5000lbs in it.
If its an auto i'd install a larger tranny cooler and a transmission temp guage.
As for mileage i've put 1500 miles on it since i got it a few weeks ago. I see 14-15mpg empty in 2wd or 4wd. It does not seem to make a difference.
70 Dodge Charger R/T
97 ram 2500 cc 12v 4x4 5 speed turned up pump,4 inch straight pipe
89 GT Mustang 357W vic jr heads/intake, proform 750 Carb tremec 5 speed, 31 spline diff 4.10 rear, complete drag suspension, Mega bite sr lowers ect Sold