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1957 - 1960 F100 & Larger F-Series Trucks Discuss the Box Style Ford Trucks

Tranny support, looking scary

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Old Jul 8, 2025 | 10:01 PM
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Exclamation Tranny support, looking scary

Howdy. I have had my 59 F100 I6 short bed for a few years with very few problems. I'm going to put in a new clutch kit and while under the truck I realized that the 3 speed with overdrive has a very long tail shaft has no support; just the 4 bolts on the bell housing. Not the original tranny. It sure looks like it could use a little more support. I may be getting a bit worrisome in my old age. There is a flat place on the bottom where a cross member would fit nicely. Total length 28" I welcome any helpful comments or opinions, please no insults. Thanks.
28
28" overall length, not sure where it came from, it is a side shifter
Upside down image, easier to read hopefully
Upside down image, easier to read hopefully
 
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Old Jul 9, 2025 | 08:05 AM
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Transmission identification

so if that chat is correct, it’s a T86. I’d start looking for a crossmember mount for it. Then it’ll be matter of figuring out how to make the oem design fit your truck. Good luck.
 
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Old Jul 9, 2025 | 06:39 PM
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That is a lot of metal hanging out there but I took the same tranny with R10 O/D, and engine out of a parts truck I had that did not have a cross member in it either. How long have you been driving it like this?
 
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Old Jul 9, 2025 | 11:38 PM
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My T98 has no mount, just bolts to bell housing. It isn't light or short. It hasn't fallen out yet either.
 
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Old Jul 10, 2025 | 04:31 PM
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Yep, that's factory correct. Since the motors are secured both front and rear, I guess they thought that was sufficient to support the tranny.
 
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Old Jul 10, 2025 | 09:14 PM
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10 or 12 years. Not a daily driver. I work in a Blacksmith shop; I'll fab one.
 
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Old Jul 16, 2025 | 12:04 PM
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Before you start "fabbing", remember that there needs to be a rubber mount between that crossmember and the transmission. I woud also suggest that you replace all the existing mounts first so the engine is in the correct position to fit the new crossmember. With all new mounts the engine/transmission should settle without any unusual forces on the tailshaft housing of the transmission.

Lou Manglass
 
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Old Jul 16, 2025 | 12:15 PM
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Originally Posted by manglass
Before you start "fabbing", remember that there needs to be a rubber mount between that crossmember and the transmission. I woud also suggest that you replace all the existing mounts first so the engine is in the correct position to fit the new crossmember. With all new mounts the engine/transmission should settle without any unusual forces on the tailshaft housing of the transmission.

Lou Manglass
Or, even better, if it ain't broke....
 
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Old Jul 16, 2025 | 03:13 PM
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Thanks Lou. Great tip on changing all mounts; they are lookin pretty old.
 
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