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Thread: Speedo jumps around. Think I need a new head. Any ideas on buying one new or used?

  1. #1
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    Speedo jumps around. Think I need a new head. Any ideas on buying one new or used?

    Looking to buy another speedo head on my 55 Belair. Any advice?

  2. #2
    Registered Member chevynut's Avatar
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    Nov 2011

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    It might just be the cable. I'd take the center out and clean and lube it and see if it goes away.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension

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  3. #3
    Registered Member BamaNomad's Avatar
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    I second CN's post.... most generally this is due to dried/hard/missing lubricant in the cable. Try lubing the cable with 'suspended graphite'... and see if it addresses the issue before you replace the speedo head...

  4. #4
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    CABLE

  5. #5
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    If you need a new cable ATP sells a new one for a 72 Chevy 1/2 ton 2wd TH350 that fits perfect about $15, available at most parts stores.

  6. #6
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    Don't overlook the speedometer itself. Right where the cable goes in gets dry/gummy and seizes up and will trash a good cable. You can oil it the easy way from the outside, or take it all apart and do it right. Don't break the speedometer needle!

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