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3 Speed on the Tree
I'm looking for ebay maintenance/repair/service manual title that covers SM318 and SM326 3 speed on the tree shift transmissions. I have X-6023 gmc trucks maintenance manual for 1000-5000 but the transmissin section is missing.
I think SM318 was used from 1955 til roughly 1968?
Not sure years SM326 was produced?
I think non-sync 3 spd SM318 is Muncie but some say it's Saginaw?
Is snyc 3 spd SM326 Saginaw?
I have long tail piece non-syncronized 3 speed SM318. 21.5" long from mounting flange to rear of tail piece seal.. Tail is 14 3/8" w/o seal. Case is 7 1/16". 4 bolt cover. Input = 10 spline 1.1" OD. Output = 27 spline 1.175" OD. Pilot = 0.6".
I am also looking for SM318 and SM326 specs. Not sure if SM326 is close to 21.5" long? Not sure if SM318 column shift linkage will work w/ SM326 w/ simple linkage mods?
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