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Old 06-04-2002, 11:07 PM
trjackson10 trjackson10 is offline
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I just purchased a 1968 GTO that has a 4 speed with no shifter and I'm not sure which tranny it has. It has no S or M numbers stamped on the side only GM numbers which are P9C08B, which I think has something to do with the manufacture date, 3925660 and 395030 stamped on the side. The housing has two linkages on the main body and one on the tail shaft housing. I'm just starting to see the problems you run into in restoring these muscle cars myself hope someone can help

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Old 06-04-2002, 11:07 PM
trjackson10 trjackson10 is offline
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I just purchased a 1968 GTO that has a 4 speed with no shifter and I'm not sure which tranny it has. It has no S or M numbers stamped on the side only GM numbers which are P9C08B, which I think has something to do with the manufacture date, 3925660 and 395030 stamped on the side. The housing has two linkages on the main body and one on the tail shaft housing. I'm just starting to see the problems you run into in restoring these muscle cars myself hope someone can help

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Old 06-04-2002, 11:18 PM
mike nixon mike nixon is offline
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how many bolts are in the cover that the shifter shafts are in? is the case of the trans aluminum or cast iron? mike

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  #4  
Old 06-05-2002, 03:40 AM
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Held for Ransom Held for Ransom is offline
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P = Muncie
9 = 1969
C = March
08 = 8th
B = M21, close ratio

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Old 06-05-2002, 08:50 PM
adam3291 adam3291 is offline
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3925660 is a Muncie #, 1968 and 1969 I believe, maybe used in 70 also.

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Old 06-06-2002, 06:49 PM
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68ragtop 68ragtop is offline
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where is the "P9C08B" cast on the transmision?
I have a a 68 4 speed as well, I couldn't see the numbers. It has a thin layer of dirt & grease on it, but I didn't want to scratch the aluminum up scraping away looking around for the numbers.
It was pretty cool to see no one ever had the trans out of the car before me. Looks really nice under the layer of dirt. I even notice a section that had a blob of pink paint on it.
Must have been an assemblie line thing?

68

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78 S/E Trans am L78, WS6 Auto
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