Wrench Scramble 2015: You Know it's LeMons When…

Transmission Mount

When you score a good deal on a heavy-duty transmission with the rare bellhousing and clutch configuration you need, you put up with it’s non-matching stubby tailshaft. When you have a transmission with a non-matching stubby tailshaft, you find yourself having to add about 9″ of length compensation between the existing transmission mount and the mounting pad on the transmission itself. This is a feat easily (?) accomplished with rectangular tube from the remnants rack and a few bolts from the bucket.

DIY transmission mount (2)DIY transmission mount (3)DIY transmission mount (1)

Yes, it all bolts up and yes, it gets the job done.

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10 responses to “Wrench Scramble 2015: You Know it's LeMons When…”

  1. dukeisduke Avatar

    I had to look up those bolts on the bracket – five slashes say Grade 7. Never heard of Grade 7; I’m only familiar with Grade 5 and Grade 8.
    I want to see pictures of everything installed; I’m trying visualize this, but I can’t figure out what the bracket with the Grade 7 bolts goes to.

    1. mad_science Avatar

      (Referring to the lead pic) The factory metal U-channel to the left grabs a box section on the car. The tranny’s too short to reach it, so I added the length of the box tube to offset the actual rubber tranny mount like 9″ to the right, which is forward on the car.
      I had to notch the original mount because the yoke on the new trans wants to bang into it.

  2. mdharrell Avatar

    It looks okay to me, but keep in mind that the throttle linkage in my LeMons race car incorporates a length of galvanized hanger strap spanning the engine compartment and about a foot of radiator hose acting as a rotating component, so my standards may not be the strictest.

    1. Sjalabais Avatar

      Admit it, you’re just stretching your luck in time for the floor to rust out.

  3. jeepjeff Avatar

    Just so everyone knows: this is a work of art. When I pulled that bracket off the car, it had 50 years of caked on grime. Given the amount of oily, cemented dirt on the undercarriage of this car, I’m pretty sure someone went mudding in it in the late 70s. There was a huge amount of crap on that bracket, and I was shocked to see how small it was after Tim got done cleaning it.

    1. bigredcavetroll Avatar


  4. dukeisduke Avatar

    What’s the thing that’s sticking out (on the left in the top photo)? It almost looks like something related to the parking brake cables.

    1. mad_science Avatar

      Yup. It’s the arm that some other arm + cable linkage pivots off of.

  5. CraigSu Avatar

    “…about 9″ of length compensation..” So, you are compensating for something after all? I knew it!

    1. Tanshanomi Avatar

      It’s not that his shaft is too short for proper coupling, it’s just not properly located to where his nuts are on his frame.