Speedometer Cable, Non-Cruise, Length?

Discussion in 'The "Juice Box"' started by knucklebusted, Aug 12, 2018.

  1. knucklebusted

    knucklebusted Well-Known Member

    My speedo bounces. I've been told it is the speedo cable. Is it the actual internal cable or the external sheathing that is causing this?

    Barring that, what is the appropriate length for the speedo cable for a non-cruise control car?
  2. flynbuick

    flynbuick Super Moderator Staff Member

    Which car?
  3. knucklebusted

    knucklebusted Well-Known Member

    70 stage 1, auto 2004r. Stock turbo 400 cable is what is in there now.
  4. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD"

  5. BuickV8Mike

    BuickV8Mike SD Buick Fan

    I think bouncing can also be the gage.
  6. 436'd Skylark

    436'd Skylark Sweet Fancy Moses!!!!!

    It's pretty easy to fix the bounce. Pull the cable off the back of the speedo and the cable can be pulled out of the sheathing. Clean/lube and reinstall. It'll take about 20 minutes
  7. buick64203

    buick64203 Just plum crazy Staff Member

    If its to your 4 speed car, your going to need a 70" cable. Its gotta go under the bell and around to the rear passenger side of the Muncie
  8. knucklebusted

    knucklebusted Well-Known Member

    Yep, that's the one I'd already looked at but wanted to confirm before I pulled trigger.

    Been there, done that a time or two. Is it generally the actual moving part of the cable, the core that has a kink or something? It smooths out as it gets faster. What is a good lube to use. I have some graphite assembly type lube, some lithium white grease and good old axle grease. I think I used axle grease last time, just smeared it good, wiped off the excess and snaked it back down the sheath.

    Nope, the 4 speed car is all good and having swapped the trans, it was quite apparent it wasn't that short. I'd have guessed it longer than 70" though.

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