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In this Discussion
- 1951hornethardtop January 26
- Ken U-Tx January 26
speedometer 1951
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is there another speedometer that will fit my 51 and have the correct gearing for hydromatic tranny / i had inquired before and was told i had to get some type of adapter for cable ,but i can't find what i did with that information / so i need that info. again or info. on a speedo that will work and fit my cluster . thanks for any help. and thank you super dave for help on tranny seal can't wait for it to arrive i'm leaking fluid everywhere
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The difference in gearing was at the transmission end of the speedometer cable, not in the speedometers themselves. any 1951-53 Stepdown speedometer (Jet was completely different) will work in your 1951, but you would need the correct speedometer drive gear that fits into the rear of the transmission. If your current speedometer cable and drive gear are OK, and correct for the car I have some speedometers from 51-53 laying around. You can swap the face on your current speedometer if the one I have is the 52 marbled pattern, for the correct black face, with gold center (1951 was gold, 52-53 were white centers).
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Does your 51 have the old Hudson made welded cover/ removeable pumpkin 3.58:1 rear end? Or has it been changed to the later Spicer / Dana 3.07:1 ?
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What Ken said is right. I am not sure I understand. Are you puting in a hdro instead of a standard trans?Maybe this will help. I have a 51 single Hy
dro with a 3.54 rear end. I put a 52 3.04 in t he car. I took the spedo. gear from the 52 dual range tranny and used it in my single range tranny and that corrected the speedometer. All the corrections are made by putting indifferent gears (number of teeth on the gear) to make the spedo read right.
