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Old 09-20-2004, 12:11:00 AM   #1
CRAZYREDNECK77
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saginaw serial numbers

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
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Old 09-20-2004, 09:51:00 AM   #2
MadMike
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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?
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Old 09-20-2004, 09:51:00 AM   #3
Gary S
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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.
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Old 09-20-2004, 10:08:00 PM   #4
CRAZYREDNECK77
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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
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Old 09-22-2004, 07:25:00 PM   #5
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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).]
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Old 09-22-2004, 09:41:00 PM   #6
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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
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Old 09-22-2004, 10:18:00 PM   #7
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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.
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Old 09-23-2004, 03:00:00 AM   #8
CRAZYREDNECK77
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the casting number i got off the side of tail housing was , 352254 GM5. any idea what it came from?
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Old 09-23-2004, 10:38:00 AM   #9
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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)

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[This message has been edited by WS6 (edited September 23, 2004).]
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Old 09-25-2004, 10:08:00 PM   #10
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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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Old 09-25-2004, 10:23:00 PM   #11
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Nothing like that.

Here is all the 1979 broadcast codes listed for 4-sp trans. The trans appears to be a 1979 model year application from your previous post.


"A" Series (Malibu)
SB
SC

"B" series
no 4 sp available

"F" Series (Camaro)
SR = M20
UH = M21

"H" Series
SH
SJ
SK

"X' Series
SR

"T" Series
SM
SN


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[This message has been edited by WS6 (edited September 26, 2004).]
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Old 09-25-2004, 10:26:00 PM   #12
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what is the difference between the f body tail housing and the other tail housings of the same years?
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Old 09-26-2004, 12:15:00 AM   #13
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the only thing else i found was on the side cover it was hard to rear but looks like it might be 14j6 or possibly 14j8
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Old 09-26-2004, 10:57:00 AM   #14
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Quote:
<font face="Arial,Verdana" size="2">Originally posted by CRAZYREDNECK77:
what is the difference between the f body tail housing and the other tail housings of the same years?</font>


14J8 appears to be a casting date for the part, 14 day of J month of 1968

LENGTH, trans itself stays same but they vary the tail-housing to fit other applications. So you could take a trans from a Chevelle and add a Camaro tail and it would most likely work.


Sorry not much I can help more with. Seems the only way they show the application in the parts book is by the broadcast codes. The letter codes would be rather large in size, I have seen them and they are often 1 to 2 inch's high, ink stamped or a decal on the trans somewhere. Time may have taken its toll on it and its not there anymore.

Btw - Broadcast codes are 2 digit codes (most often letters) that get assigned to a part that gets used in assembly of car. Its a simpler way of alerting the line installed on the correct part to install. While the part numbers may change a hundred times, it may always have the same broadcast code. For instance, the build sheet would list the broadcast code and the worked pulled that trans and attached it to the engine.

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[This message has been edited by WS6 (edited September 26, 2004).]
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Old 09-26-2004, 12:31:00 PM   #15
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thank you for your help i shall try to figure out the rest
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