Speedometer Cable Length

[Admiral]

I'm adding an overdrive transmission to my '51 Crestliner. Any idea if the speedometer cable length changes between the standard three-speed gearbox and the overdrive unit? It looks like the port on the OD transmission is a bit further back than on the standard one, but it also looks like there might be enough slack in the cable to work. Any idea?

[Wayne Schuenke]

parts book says for a 51 speedometer cable is 70 3/4" parts # 1A 17260-A replaced by part # BPA 17260-A for both 3 speed and overdrive

[51 MERC-CT]

Not Ford but Mercury in '51 shows the OD application to be 7" longer than three speed.

[Admiral]

Originally Posted by Wayne Schuenke

parts book says for a 51 speedometer cable is 70 3/4" parts # 1A 17260-A replaced by part # BPA 17260-A

Interesting... The book doesn't list any other lengths, does it? If not, it would seem OD and non-OD transmissions use use the same cable.

[Wayne Schuenke]

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Yes it does it also states that the 51-52 with a fordomatic takes a 80 3/4 " speedometer
cable Also that the 49-50 take a 69" cable the wagon takes a 79" cable and the 49-50 with overdrive takes a 79" cable