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Transmission for


John
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Ran across this today.  Been around long enough I don't remember what it fits. May have come from a Buick/Pontiac dealer.  Didn't have time to clean it and look for stamping, tag or casting numbers.  Input shaft is 10 spline.   Look familiar to anhyone?

 

 

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It is late 30s Buick Special....

 

If it were Pontiac, it would have the speedo gears below the u-joint, a front bearing retainer (but no sleeve), and a Chevrolet-style torque tube ball. If it were Oldsmobile, it would be configured for an open driveline.

 

 

 

 

Edited by Bloo (see edit history)
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6 minutes ago, John said:

What's different from tranmissions used with the 320 engine?

 

 

Bigger/longer with 6 bolt top shift plate. `39 is the first year for column shift trans. Like Ben said it will fit the small inline eight thru `53. The size of the input shaft will tell if it   came from a `37 or `38.

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Don't give up on that paper tag too soon. I have had some good luck from time to time by using a powerful flashlight shone through the tag from the backside, or shone at the front side from the edge, horizontally. SOMETIMES the markings will have been pressed in hard enough that you can create shadows to see impressions of letters or numerals. Or, from behind sometimes old ink will react differently to the light. This trick has worked for me, about 30-40 % of the time with old auto parts. Good luck! 

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The shaft is 1-1/4" so apparently it fits a '37.  Tag is gone now so can't try the flashlight trick---it probably came off during handling last week.   Will be looking for a new home for it now that it's identified.  Thanks again to all who replied.

 

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7 hours ago, John said:

The shaft is 1-1/4" so apparently it fits a '37.  Tag is gone now so can't try the flashlight trick---it probably came off during handling last week.   Will be looking for a new home for it now that it's identified.  Thanks again to all who replied.

 

With the 1 1/4" input shaft and no collar, is `37 40 series only. It may fit the `38-`53 bell housing if the hole is large enough for the larger input shaft to pass thru, but would have to have a clutch disc with the 1 1/4" center hole.

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