I want to change my differential gears from 3.90 to 3.55 on my 1983 Mitsubishi Pickup. I want to lower the RPM's at cruising speed on the interstate to maximize my mpg and driving comfort. I can easily obtain the 3.55 gears for the 8" rear end from a 2wd Mitsubishi Pickup but I'm wondering if the 3.545 gears from a Starion will fit in the front of a 7.25" diff on a 1983 Mitsubishi Pickup?
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