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09-30-2020, 09:00 AM
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#1 |
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Registered User
Join Date: Aug 2020
Location: Charlotte
Posts: 53
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SM 330 Muncie 3 speed
Picked up an SM-330 3 speed trans from a guy that said it came out of a 69 Chevy truck with 4 bolt main 350.. I'd like to use it to replace an SM-318 but it's longer, I think 22".. the SM-318 is 17 inches long.. I guess I should have grabbed the driveshaft too but at that time I thought they were the same length.. Anyone done this swap before in a 60-66 truck?
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09-30-2020, 09:29 AM
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#2 |
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Registered User
Join Date: Feb 2014
Location: Pocahontas Arkansas
Posts: 684
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Re: SM 330 Muncie 3 speed
Yes sometimes the front bearing retainer is larger on the full syncro trans. the rear splines might be different. the shift arms and collum linkage need modifying. you will likely have to shorten your driveshaft.
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09-30-2020, 10:49 AM
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#3 |
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Senior Member
   
Join Date: Jan 2018
Location: Hickory Flat, GA
Posts: 4,488
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Re: SM 330 Muncie 3 speed
Shortening your driveshaft should be fairly easy to get done. Might have to swap slip yokes as well, but that depends on the output shaft splines of the old vs new trans
__________________
Christian Carpenter 1963 C10 - Frankentruck 283, Muncie 3 speed with overdrive Overdrive wiring here1963-ish truck bed trailer - Half-Wit 1981 C10 - Penny 305, th350 --> Soon to be 350, Saginaw 4 speed 1995 Dodge Dakota Sport "I'll put it simple: if you're going hard enough left, you'll find yourself turning right." - Doc Hudson |
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