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Old 02-26-2015, 06:37 PM   #1
frost66gmc
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3 speed saginaw with overdrive

I found a 3 speed Saginaw with overdrive on eBay, but I don't have enough money to bid any higher. Maybe someone else is looking for one and has the money. The link is below.
http://m.ebay.com/itm/261785107207

Only 4 1/2 hours left.
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Old 02-26-2015, 06:47 PM   #2
canadian_diesel1964
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Re: 3 speed saginaw with overdrive

I saw that one too...the guys in Canada but will ship out of Buffalo ...are they really worth that?
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Old 02-26-2015, 07:05 PM   #3
frost66gmc
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Re: 3 speed saginaw with overdrive

I have never owned one, but they are rare. I have seen some totally rebuilt 3 speed with overdrive going for $1200 to $1300. My main interest in it is the overdrive and whether it will increase my cruising speed with lowering myc rpms. I want to get my truck up 60 mph crusing speed without the rpms excessively high. But the 3 speed manual transmission with overdrive are hard to come by. I currently have a 3 speed without overdrive, they are not as rare but mine does have sychcronized 1st and reverse gear. My next step is to change the gears in my rear end to see if I can get to my ideal cruising speed. This will be less expensive.
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Old 02-26-2015, 07:13 PM   #4
frankslagoon
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Re: 3 speed saginaw with overdrive

3:73 rearend with the overdrive. about 2600 rpm 70 to 75 mph
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Old 02-26-2015, 07:22 PM   #5
frost66gmc
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Re: 3 speed saginaw with overdrive

That's sounds awesome. I just don't have the money right now.I have a pick of gears on the one on eBay. I''ll try to post it here.
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Old 02-26-2015, 07:29 PM   #6
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Re: 3 speed saginaw with overdrive

see attached photo
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Old 02-26-2015, 07:35 PM   #7
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Re: 3 speed saginaw with overdrive

Yeah I told the guy I needed to at lease see the gears with the cover off before I would bid on the transmission.
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Old 02-26-2015, 07:38 PM   #8
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Re: 3 speed saginaw with overdrive

Yeah, I would think it would be a great deal if the overdrive works, but that's a chance you have to take with ebay........
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Old 02-26-2015, 11:14 PM   #9
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Re: 3 speed saginaw with overdrive

I am pretty sure that is what is behind the 292 in the parts truck I picked up. I was a column shift, can you make them a floor shift?

Jay
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Old 02-26-2015, 11:17 PM   #10
frost66gmc
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Re: 3 speed saginaw with overdrive

You will have to cut a hole in the floor, just go ahead and sell it to me lol
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Old 02-26-2015, 11:33 PM   #11
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Re: 3 speed saginaw with overdrive

Dad64, is the year and model of your parts truck, so I can keep an eye open for it. Thanks
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Old 02-26-2015, 11:38 PM   #12
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Re: 3 speed saginaw with overdrive

My parts truck is a '66 C10 long bed fleet side. I will put some pics of the trans up when I get the cab off the frame.

Jay
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Old 02-26-2015, 11:43 PM   #13
frost66gmc
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Re: 3 speed saginaw with overdrive

Thanks Dad 64, that would be a great help. I just want to make sure it has the overdrive. There should be a cable labeled overdrive in the cab that you pull to engage the overdrive. Thanks again.
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Old 02-26-2015, 11:51 PM   #14
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Re: 3 speed saginaw with overdrive

There was, I have actually taken the bracket and cable out of the cab as I am pulling the cab. I didn't even know it had the overdrive when I bought it, it was a surprise when I started tearing it down.
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Old 02-26-2015, 11:54 PM   #15
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Re: 3 speed saginaw with overdrive

That was a good surprise. Congratulations............
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Old 03-07-2015, 01:04 AM   #16
Dads64
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Re: 3 speed saginaw with overdrive

Got the cab off the '66 finally, here are a couple pics of the transmission stuff and one of the 292 that is supposed to only have 4000 miles on it since a rebuild.

Jay
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Old 11-21-2017, 11:34 PM   #17
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Re: 3 speed saginaw with overdrive

I see this post is a bit old but I just installed an OD in my truck today. I have two others sitting in my garage. Getting the drive shaft shortened this week also. This Trans is 5" longer then my stock one.
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Old 11-22-2017, 07:08 PM   #18
studeclunker
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Re: 3 speed saginaw with overdrive

That transmission looks a lot like the Borg Warner in my Studebakers. If it's as efficent as the BW unit, this truck would get over twenty MPG. My Stationwagon with a V8 gets over twenty-five on the freeway. On one trip I got twenty-nine.
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Old 11-24-2017, 07:21 PM   #19
andyh1956
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Re: 3 speed saginaw with overdrive

You can take that O/D unit & use it on the Saganaw four speeds to build a 4 spd o/d trans.
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Old 11-27-2017, 01:15 PM   #20
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Re: 3 speed saginaw with overdrive

Good info to know.
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Old 12-01-2017, 04:54 PM   #21
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Re: 3 speed saginaw with overdrive

Was cruising on the freeway today at 75MPH. Felt the same as 60 without overdrive. I love it as I knew I would.
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Old 12-01-2017, 06:17 PM   #22
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Re: 3 speed saginaw with overdrive

O/D is a Gift From The Gods Man!
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Old 12-01-2017, 06:32 PM   #23
retrax
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Re: 3 speed saginaw with overdrive

Anyone around here use a Gear Vendors under/overdrive?
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Old 12-01-2017, 09:14 PM   #24
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Re: 3 speed saginaw with overdrive

No one here can afford it. lol
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Old 12-06-2017, 05:50 PM   #25
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Re: 3 speed saginaw with overdrive

Got the cable hooked up today. Now I can have compression braking.
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