Quote:
Originally Posted by rotorwrench
Marmon Herrington converted about any Ford vehicle requested to 4WD starting in 1936 or so. A conversion like that would be about as close as you would ever get to a 1959 GMC 4WD.
Those early Mercury cars had a different set up on ring & pinion than their Ford counterparts. The pinion was part of the drive shaft. This makes changing a ring & pinion set or even a complete rear axle a real chore. A new drive shaft set up has to be fabricated unless a person found an original set of 4.11 gears for a Merc.
A lot of Mercs had the 15/29 transmission gears in the early years of the marque but I'm not sure about the 1939.
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I have 1938 literature that says Marmon-Herrington would charge all of $10 to fit 4.44:1 gears to any chassis delivered with anything else. My '47 runs 4.11's and a 1.5 ton truck 4-speed.
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