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Thread: Dana 60 HELP!!!!

  1. #1

    Dana 60 HELP!!!!

    Hello,

    I recently purchased a 68 roadrunner pro street set-up with coil over rear, ladder bar suspension. narrowed dana 60 spooled with 4:30 gears. It goes very well under power then when I left of the throttle you hear a chatter/marble sound coming from the rearend. I have had the rearend apart 3 times with very good dana people and they are all puzzled. The gears, bearings, lash, wear all look excellent. I have even changed both pinion bearings and made no difference. I am looking and all items to check. It just does not seem it's the rearend but very puzzled. Thanks!!!

  2. #2
    Senior Member RACING JUNKIE
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    Have you got this figured out yet? As much as this sounds goofy, take a look at the exhaust... your drive line... you get on it, it's fine. You let off, your geometry has changed... what could be coming in contact w/ the drive line or exhaust as the suspension is changing from loaded to relaxed?
    "I would walk through hell on Sunday before I fear the enemy"

  3. #3
    Senior Member RACING JUNKIE
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    U - joint noise echoing thru the driveshaft?
    Dave
    Dave
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    "All that is necessary for the triump of evil is for good men to do nothing" Edmund Burke

  4. #4
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
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    ...loose muffler internals.......
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