saginaw serial numbers

Discussion in 'VIN, Trim Tag & Drivetrain Decoding' started by CRAZYREDNECK77, Sep 20, 2004.

  1. CRAZYREDNECK77

    CRAZYREDNECK77 Member

    66
    0
    Sep 20, 2004
    La Crescenta , ca, usa
    hey hows it going i was wondering if anyone knows where i can find out which vehicle my saginaw came from by the transmission vin
    i need to find out in order to get a damn hurst that fits right
     
  2. MadMike

    MadMike Administrator Staff Member

    13,525
    13
    Feb 11, 1999
    Dawsonville Georgia
    You identify the transmission:
    Saginaw, Muncie or Borg Warner.
    Then you get a shifter to fit that transmission type for whatever type vehicle you're putting it into.

    With that said - what numbers have you found?
     
  3. Gary S

    Gary S Administrator Lifetime Gold Member

    19,917
    31
    Apr 14, 1999
    Bismarck, North Dakota
    You will need to give the tranny a serious looking over. Many GM trannys had the VIN stamped on the maincase on the flange where it attaches to the tailshaft, but some of the later Saginaws had a pad machined into the case just for stamping the number.

    Basically, GM stamped them anywhere they could find a suitable place in the casting.
     
  4. CRAZYREDNECK77

    CRAZYREDNECK77 Member

    66
    0
    Sep 20, 2004
    La Crescenta , ca, usa
    I told hurst it was a saginaw 4 speed and it was going into my 80 z28 but they said they needed to know what year make and model the tranny came from. the numbers i got are . R9R09 which according to the info i got means R= saginaw 4 speed, 9=1969,1979 R=ocotober, 09= the 9th. but it doesnt say what model or make. the tranny vin is 197132867. and the part number is GM 3925656
     
  5. WS6

    WS6 Veteran Member

    197132867

    Well its from a Chevrolet but no way of telling if 69 or 79 and what car it was used on from this info. 3925656 was used on all 68 and 69 models. Look at the rear extension, Camaro used 3873886, full size, Chevelle and Chevy II used 3860042. It appears to be a 1969 model but my info does not cover 1979 so I don't know if same casting were used then.

    1 - Chevrolet
    9 - 69 or 79
    7 - ?? this is final assembly plant but 7 was not in use. Could it be a Z for GMAD Fremont CA.
    132867 - Production serial number of car

    [This message has been edited by WS6 (edited September 22, 2004).]
     
  6. CRAZYREDNECK77

    CRAZYREDNECK77 Member

    66
    0
    Sep 20, 2004
    La Crescenta , ca, usa
    i wrote gm and they told me from thier source it was a 75-79 mt-1 saginaw but did not have the rest of the info
     
  7. MadMike

    MadMike Administrator Staff Member

    13,525
    13
    Feb 11, 1999
    Dawsonville Georgia
    3925656 was 1st used in 1968 and continues throughout the 70's. Since the shifter mounts to the extention housing, and the housing differs depending on what year and model vehicle this is from.... post the extention housing casting number.

    With that said - tell hurst you have a 1975 (close enough for gov't work) Saginaw 4 speed transmission and you need a shifter for it. It'll fit any 1970 - 81 camaro. This of course assumes you have a 1970+ camaro extention on the main case.
     
  8. CRAZYREDNECK77

    CRAZYREDNECK77 Member

    66
    0
    Sep 20, 2004
    La Crescenta , ca, usa
    the casting number i got off the side of tail housing was , 352254 GM5. any idea what it came from?
     
  9. WS6

    WS6 Veteran Member

    I have a 1979 Chevrolet parts catalog and it list the production broadcast codes.

    Look for a 2 letter code on the trans, can be in one of three spots.

    1. ID plate on side of case
    2. Stamping on govenor cover
    3. Ink stamped on Bell Housing

    From these codes I should be able to ID the car model.

    Typical F-body codes are
    SR (M20)
    UH (M21)

    ------------------
    Mike

    2002 Trans AM WS6 build #3124 - Pewter
    2004 GMC E. Cab SLT Z71

    [This message has been edited by WS6 (edited September 23, 2004).]
     
  10. CRAZYREDNECK77

    CRAZYREDNECK77 Member

    66
    0
    Sep 20, 2004
    La Crescenta , ca, usa
    the only kind of letters i could find on it was this wierd n that turns into an f
    so it goes (NF) C2
     

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