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Whats your GO TO potion to put in the cylinders of a stuck motor??

Discussion in 'The Bench' started by bignastyGS, Feb 4, 2025 at 8:48 PM.

  1. bignastyGS

    bignastyGS Maggot pilot

    I have 2 71 350 motors that have been sitting awhile and they seem to be stuck and not able to turn the motor. I plan to rebuild either one that I can get unstuck. Years ago,my dad used a concoction of transmission fluid and brake fluid. Anyone have a better idea??
     
  2. CJay

    CJay Supercar owner Staff Member

    There's only one potion- acetone and tranny fluid. 50/50.

    Check out Jennings Motorsports on YouTube. That guy gets engines unstuck that have been sitting outside for 50 years
     
    TexasT and Mike B in SC like this.
  3. steve covington

    steve covington Well-Known Member

    I am close to that. Mineral spirits and automatic transmission fluid, old school Dexron, none of this new hybrid fru-fru juice.
     
  4. TrunkMonkey

    TrunkMonkey Totally bananas

  5. 72STAGE1

    72STAGE1 STAGE 1 & 2

    When a motor is stuck, it’s gently telling you to take it apart.
     
    1973gs and BUQUICK like this.
  6. Nailhead in a 1967

    Nailhead in a 1967 Kell-Mnown Wember

    Like Derek says:

    "Marvel Mystery oil.
    Nobody knows what's in it, it's a mystery."
     
    TexasT and John Codman like this.
  7. Mark Demko

    Mark Demko Well-Known Member

    Good kitty:p:p
     
  8. John Codman

    John Codman Platinum Level Contributor

    I'm old school - Marvel Mystery oil and some time.
     
    GSX10/10 likes this.

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