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Technical New life for an ole dog

Discussion in 'Traditional Hot Rods' started by ls1yj, Jul 30, 2017.

  1. ls1yj
    Joined: Sep 14, 2011
    Posts: 476

    ls1yj
    Member
    from Kentucky

    Got new 59L motor fired up in the coupe this afternoon. Adjusted a bit on carbs, and it's idling ok, but we are hearing a fairly loud roar from passenger side of motor. I'll try to load a video when I get home to PC.


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    Last edited: Jul 30, 2017
  2. ls1yj
    Joined: Sep 14, 2011
    Posts: 476

    ls1yj
    Member
    from Kentucky

    TagMan and SLCK64 like this.
  3. brady1929
    Joined: Sep 30, 2006
    Posts: 8,020

    brady1929
    Member
    from Mesa, Az

  4. rustydusty
    Joined: Apr 19, 2010
    Posts: 1,090

    rustydusty
    Member

    Nice! I like your "tool bench" .
     
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  5. farmalldan
    Joined: Sep 4, 2009
    Posts: 137

    farmalldan
    Member
    from Duncan, OK

    Generator? Remove belt for a short run to see if the noise goes away.
    Good luck.
    farmalldan
     
    ls1yj likes this.
  6. ls1yj
    Joined: Sep 14, 2011
    Posts: 476

    ls1yj
    Member
    from Kentucky

    Got an update... we listened all over motor and also took all floor panels out, and listened to thrust rods, trans case, etc... turns out, we put a new aluminum McLeod flywheel in, and it's about .100 thicker than the cutdown steel flywheel we were running. It was pushing the auburn clutch rearward into the clutch fork, and causing the growl.


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  7. ls1yj
    Joined: Sep 14, 2011
    Posts: 476

    ls1yj
    Member
    from Kentucky

    Well, that wasn't it. shimmed trans back 1/8" and motor is still making bad growl noise


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    Last edited: Jul 31, 2017
  8. ls1yj
    Joined: Sep 14, 2011
    Posts: 476

    ls1yj
    Member
    from Kentucky

    Pulled shims, and dropped pan... checked all mains, and they have nice wear pattern


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  9. ls1yj
    Joined: Sep 14, 2011
    Posts: 476

    ls1yj
    Member
    from Kentucky

    Pulled 5 and 7 rod caps and they have no wear


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  10. ls1yj
    Joined: Sep 14, 2011
    Posts: 476

    ls1yj
    Member
    from Kentucky

    Gonna plastigage them tomorrow... may be too loose, and causing the noise... it's starting to knock more now


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  11. ls1yj
    Joined: Sep 14, 2011
    Posts: 476

    ls1yj
    Member
    from Kentucky

    Pulling heads off, to remove pistons and rods. Found one rod in backwards, and seems like rods were out in without being resized


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  12. ls1yj
    Joined: Sep 14, 2011
    Posts: 476

    ls1yj
    Member
    from Kentucky

    Found smoking gun. Some pistons were making light contact with head on one side. Gonna mill squish area deeper


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