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Old 10-14-2015, 07:21 PM   #1
GreenBay1921
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3 Speed transmission (3 on the tree)

I have a 1968 swb with a Muncie 3 speed. The truck had been sitting for 25 years before I got it. It shifted fine, but was roar like a beast. When I drained the transmission, it had a good 10-12 oz. of crystal clear water in it. When I cracked it open it has a good bit of pitting on the tip of the main shaft & most of the gears. That being said, I'm pretty sure I need to scrap it. I'm looking to keep the 3 on the tree, so I've been looking for a replacement. My question is: will a Saginaw work, & if so, will I need to replace shift linkage. It looks like the linkage where it connect to the transmission is different from the Muncie to the Saginaw. Do you guys have any suggestions about my situation? Thanks guys.
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Old 10-14-2015, 07:24 PM   #2
EARNHARDT#3
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Re: 3 Speed transmission (3 on the tree)

Not sure about the linkage. The Saginaw is a little longer so you'll need to either have your driveshaft shortened or buy another one.
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Old 10-14-2015, 07:26 PM   #3
GreenBay1921
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Re: 3 Speed transmission (3 on the tree)

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Originally Posted by EARNHARDT#3 View Post
Not sure about the linkage. The Saginaw is a little longer so you'll need to either have your driveshaft shortened or buy another one.
Will a Saginaw that was in a lwb work on my swb if I get a new driveshaft?
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Old 10-14-2015, 07:29 PM   #4
EARNHARDT#3
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Re: 3 Speed transmission (3 on the tree)

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Originally Posted by GreenBay1921 View Post
Will a Saginaw that was in a lwb work on my swb if I get a new driveshaft?
Yes. Again I don't know about shifter linkage though. My local shop charges $70 to shorten and balance a driveshaft.
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Old 10-14-2015, 07:37 PM   #5
firedemon
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Re: 3 Speed transmission (3 on the tree)

i don't know if mine is a Saginaw or Muncie do you have a couple pics of yours I have the stock linkage from mine your welcome to . mine is a 67 long bed l6 I converted to floor
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Old 10-14-2015, 07:47 PM   #6
GreenBay1921
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Re: 3 Speed transmission (3 on the tree)

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Originally Posted by firedemon View Post
i don't know if mine is a Saginaw or Muncie do you have a couple pics of yours I have the stock linkage from mine your welcome to . mine is a 67 long bed l6 I converted to floor


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Old 10-15-2015, 10:01 AM   #7
dell72
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Re: 3 Speed transmission (3 on the tree)

Not to hijack the thread but I have a few questions.How would a person identify the muncie from the saginaw? Is one stronger or preferred over the other? I have a 69 C-10 that is all stock with an I-6 3OTT.
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