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Transmissions and Rear Ends Three on the tree or four in the floor? Shift it all here.

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  #1  
Old March 1st, 2019, 05:00 PM
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Default Speedo Cable Length?

Does anyone know what the OEM length for the Speedo cable for a '60 GMC with hydramatic?

Thank
Jake
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Old March 1st, 2019, 06:38 PM
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Default Re: Speedo Cable Length?

I think it's the 100" one, but fairly easy to measure/estimate. There are only a few options so you don't have to be exact. A piece of small hose will act as a "template"/measuring device. Fuel hose, air hose, etc....... Will simulate the radii the best.

Last edited by AZKen; March 1st, 2019 at 06:44 PM.
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Old March 2nd, 2019, 03:47 PM
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Default Re: Speedo Cable Length?

Thank you.
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Old March 2nd, 2019, 10:43 PM
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Default Re: Speedo Cable Length?

rockauto has listings for '62 (last yr for s/r hydramatic) at 83", Jake. Whichever length you get, remember to lube the new cable-not enough or none on new cable.
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Old March 3rd, 2019, 03:34 PM
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Default Re: Speedo Cable Length?

Thanks I trying to see WHy the new one I put on last summer stopped working.
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Old March 3rd, 2019, 08:08 PM
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Default Re: Speedo Cable Length?

That's a tricky one. Could be the cable or....... the speedo or trans gears are broken. I guess you will have to take cable off and test it by hand first, then a slow drill to see if it's that. Probably not the cable if it was lubed as Lewis says. Hopefully is was installed/routed with liberal radii/bends. If you are lucky, it's just the coupler nuts are loose. (speedo or trans end)
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