How much to shorten driveshaft for OD?

Unknown
Unknown
edited November -1 in HUDSON
Does anyone here know the EXACT amount that one should shorten a driveshaft (from a '49 without OD) for use in a '49 that now has OD? Someone told me "about 4 inches". I was hoping for something less vague....



Anyone have any experience with this?



Thanks as always.

Comments

  • Unknown
    Unknown
    I don't know if it is an option, but I doubt an OD driveshaft would be that hard to find...



    I think spending the $$$ to shorten one, it would be cheaper to just buy an OD one...
  • [Deleted User]
    [Deleted User]
    edited November 2013
    Did a Google search on "Measure for a Driveshaft" and came up with this -
    http://www.corvettemania.com/useful/How%20to%20Measure%20for%20a%20Driveshaft(Dennys).pdf

    This site page has a LOT of good techical info - downloadable via .pdf, mostly on suspension info & work -
    http://www.corvettemania.com/useful/
    Thanks for the info Rick, good site that I have bookmarked so I can refer to it when I get to the driveline stage.

    I've been lacking on the forums, but, did you settle on a rear end to sit behind your LS1?

    Jay
  • Jon B
    Jon B Administrator
    If you have it shortened be SURE to have it CHECKED and DOUBLE CHECKED for balance when done. I had one shortened years ago, got an immediate vibration. The guy re-checked and pronounced it okay. Still vibrated. Took it to a driveshaft place a couple years later, they checked, pronounced it good, it still vibrated. Third driveshaft place: "This thing is WAY out of balance!". And THEY fixed it! So beware.
  • Unknown
    Unknown
    Thanks for all the great info everyone..... Hudson308, I am going with 8.25". Thanks.
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