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So, the tired, old 272 is out of my 1956 F-350 wrecker, and the 292 is being prepped to install. The distributor shaft is smaller, and shaped differently on the 272. The 292 was given to me, and is a Fred Jones rebuilt, supposedly from a 1957 Mercury. (I pulled it from a 1959 B-600.)
Sorry for the confusion. I have looked up rotors for both engines, and different part numbers are shown, as well as different numbers for a complete distributor.
Money is tight, but I do NOT want to make a mistake, so any input will be appreciated. I will look for part numbers on the two distributors tomorrow. (The truck is in a friend's shop, about ten miles from me.)
Thanks in advance,
Last edited by captradiator; Feb 8, 2013 at 07:15 PM.
Reason: Correction
The 54 239's and 256's had a tang drive for the distributor. It was a heavy shaft with like a screwdriver blade on each end. The 55 and up engines had a 5/16" hex drive. The 54's had a 13 tooth gear, the others have a 14 tooth gear. Dennis
I'm still not clear. Are you looking inside the distributor, or is the distributor out and you are looking at the end of the shaft? If you are looking inside, the 57 and up distributors used a different cap and rotor. Dennis