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Old 11-12-2018, 03:05 PM   #1
NewBayColony
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WTB 3 Speed Overdrive Transmission

Looking for a Saganaw or Muncie 3 speed Transmission to put behind my 292 3 OTT C20. Thanks
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Old 11-12-2018, 09:57 PM   #2
BurbN
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Re: WTB 3 Speed Overdrive Transmission

I have a Saginaw 3-speed w/OD tail shaft unit but it’s missing the solenoid.
Trans worked fine until it got jammed into 1st or 2nd gear, so I pulled it just last year. Since I couldn’t find the parts to get the OD working, and my truck had a 4:11 gear, I had to go with a T5...etc

I live near KC. I have no idea what shipping would cost to MA.
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Old 11-13-2018, 03:02 PM   #3
NewBayColony
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Re: WTB 3 Speed Overdrive Transmission

Thanks BurbN, I'll keep it in mind.
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Old 11-14-2018, 12:25 PM   #4
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Re: WTB 3 Speed Overdrive Transmission

Quote:
Originally Posted by BurbN View Post
I have a Saginaw 3-speed w/OD tail shaft unit but it’s missing the solenoid.
Trans worked fine until it got jammed into 1st or 2nd gear, so I pulled it just last year. Since I couldn’t find the parts to get the OD working, and my truck had a 4:11 gear, I had to go with a T5...etc

I live near KC. I have no idea what shipping would cost to MA.
Does your tranny still have the governor in the OD unit?
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Old 11-14-2018, 08:47 PM   #5
BurbN
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Re: WTB 3 Speed Overdrive Transmission

Yes. I PMd you more info.
Those can be bypassed or setup on a push button I believe.
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Old 11-14-2018, 09:23 PM   #6
57Suburb
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Re: WTB 3 Speed Overdrive Transmission

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Originally Posted by BurbN View Post
Yes. I PMd you more info.
Those can be bypassed or setup on a push button I believe.
Yes, they can, but having them fully functional like GM intended is a pretty slick setup.
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Old 11-14-2018, 11:55 PM   #7
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Re: WTB 3 Speed Overdrive Transmission

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Yes, they can, but having them fully functional like GM intended is a pretty slick setup.
I agree. It seems that parts for the OD units are hard to find (individually), so most people want to sell them as a complete setup. Mine will end up in a project someday and function as it was intended, or it will be sold to someone else to do what they please with it.
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Old 11-15-2018, 09:05 PM   #8
NewBayColony
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Re: WTB 3 Speed Overdrive Transmission

I'm still trying to figure out what I want to do about it. I would love to have one working like when it was new.
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Old 11-23-2018, 12:59 PM   #9
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Re: WTB 3 Speed Overdrive Transmission

Quote:
Originally Posted by NewBayColony View Post
Looking for a Saganaw or Muncie 3 speed Transmission to put behind my 292 3 OTT C20. Thanks
Here’s one for sale (Not Mine):

https://classifieds.ksl.com/listing/53993496
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Old 11-23-2018, 01:35 PM   #10
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Re: WTB 3 Speed Overdrive Transmission

I don’t that one will bolt up to a 230,250,292 block. It looks like it’s made for the earlier 235 engine maybe...
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Old 11-24-2018, 10:39 PM   #11
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Re: WTB 3 Speed Overdrive Transmission

That muncie trans pattern is the same on the 235 bellhousings and the 194 230 250 292 bellhousings. Bell to trans=the same. Bell to motor=different
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Old 11-24-2018, 11:20 PM   #12
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Re: WTB 3 Speed Overdrive Transmission

So he would just need a 194-230-250-292 BELL, if he bought this trans....Good Info.

I think he would also have to make some custom shift linkage, though, because those shift shafts are closer together than the Saginaw 3-speed.
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Old 11-24-2018, 11:44 PM   #13
whateverpratt
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Re: WTB 3 Speed Overdrive Transmission

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So he would just need a 194-230-250-292 BELL, if he bought this trans....Good Info.

I think he would also have to make some custom shift linkage, though, because those shift shafts are closer together than the Saginaw 3-speed.
Yeah, depends on the year I think. At one point the 3 speeds went to a different side cover . 4 bolt to 7 or something. I’m not sure when. My ‘63 had the smaller side cover from the factory.
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NV4500 install http://67-72chevytrucks.com/vboard/s....php?p=6488778
Suspension update http://67-72chevytrucks.com/vboard/s....php?p=8236775
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Old 11-24-2018, 11:49 PM   #14
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Re: WTB 3 Speed Overdrive Transmission

55 to either 65 or 66 were the 4 bolt side covers, technically the muncie sm319 trans.
When GM changed over to the fully syncro'd Saginaw trans with the 7 bolt side cover, the OD version switched over as well
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Old 11-28-2018, 11:38 PM   #15
LostMy65
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Re: WTB 3 Speed Overdrive Transmission

I little too far from you.
https://salem.craigslist.org/pts/d/m...760210308.html
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Old 12-11-2018, 11:33 AM   #16
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Re: WTB 3 Speed Overdrive Transmission

Thanks lostmy65. I bought that one and had it shipped. The owner was great to deal with. Thanks again.
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