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Muncie, coarse, Th350 shaft, 3925660, anything special?

Discussion in 'U-shift em' started by jmccart, Mar 2, 2009.

  1. jmccart

    jmccart John McCarthy

    Hello. I have a Muncie trans. out of a 70 SS chevelle. I have not taken the shift plate off yet to look inside. It has a coarse input and a Th350 size output. The case number is 3925660. The tail housing is 3857584GM. The for cover is 3884685. Does anyone know if the case makes it a valuable piece for chevy guys?

    Any tips/info will be appreciated.

    Thanx.
     
  2. marxjunk

    marxjunk Well-Known Member

    well, first of all a 660 case is 68 and 69, 70 up is 661 usually...not always...how do you know its from a chevelle?
    theres a partial vin...post it
    theres anothe set of numbers with a P post them too..lets see what it really is.....
     
  3. jmccart

    jmccart John McCarthy

    Thanx Mark. I will go look for a number next to a P now. I know it came out of a chevelle, I have no idea if it was original to that car.

    Thanx for the help.
     
  4. jmccart

    jmccart John McCarthy

    OK, there is a P90C07A and a 29Z121739. For the first number, how can I tell if they are zeros or the letter "o?"

    Thanx.
     
  5. jmccart

    jmccart John McCarthy

    Thanx BOP 4 Speed. I was hoping the trans was a gold coated, diamond encrusted, M22 for an LS-6 Chevelle, one of one, that I could sell for 2.1 million dollars. It looks like it is a regular ole' M-20.

    Thank you.
     
  6. marxjunk

    marxjunk Well-Known Member

    P90C07A -P9 means muncie 1969
    A-means m20
    the middle is the date code



    29Z121739- 2-pontiac 9-69 Z-freemont built.....probably a GTO or firebird
     

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