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Showing results for tags 'ring and pinion'.
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I have been in an intensive information exchange with another forum member the past weeks regarding a never ending subject to our trucks: how to alter the rear end to get a better road performance. We did some research, have read many reports in the forum here and many other sources. We both ave a 1939 Plymouth PT81 truck. We plan to change the ratio from 4.1 to 3.73. What we know we could do: 1st: a swap to another rear end out of another vehicle like Jeep Cherokee, Ford Explorer or something else (not what we prefer) 2nd: a swap of the axle carrier assembly (11 bolt, 10 spline shafts) out of a mopar passenger car, years 37 - 53 -> passenger gear carrier to truck axle housing (didn't find one up to now) 3rd: exchange of the truck's 4.1 ring and pinion to 3.73 truck ring and pinion (impossible to find) Long story short: What we would like to know is: Does anyone know, if ring and pinions out of passenger cars fit to the truck's ring and pinion carrier? To be more precise: 3.73 ring and pinion out of any mopar passenger car to the 1939 Plymouth truck rear end carrier ? Thank you much ! Rear_Axle_Fundamentals.pdf
