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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

Transmission Question?

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Old Apr 12, 2020 | 02:12 PM
  #1  
sonny1965's Avatar
sonny1965
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Transmission Question?

Got a stock 1965 F100 sb 2 wd 352/3 on the tree.I am thinking about putting in a C6 transmission.Does anybody know would I have to cut the floorboard out and put the higher bolt in transmission hump in or will it fit without cutting the floorboard?
 
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Old Apr 12, 2020 | 05:36 PM
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Matt Bourgeois
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I had a stock 1966 f100 that I took the 3 on the tree out and installed a c6. I did not have to cut the transmission hump, it fit perfectly fine. I did have to move the rear bolt in transmission crossmember back an inch or two and drill two new holes. You will also have to shorten the driveshaft.

 
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Old Apr 13, 2020 | 04:53 AM
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C6

Originally Posted by sonny1965
Got a stock 1965 F100 sb 2 wd 352/3 on the tree.I am thinking about putting in a C6 transmission.Does anybody know would I have to cut the floorboard out and put the higher bolt in transmission hump in or will it fit without cutting the floorboard?
A C6 will only go in from the front because the bellhousing is to large to clear the center crossmember. The easiest way is to install the engine and transmission together. You can remove the rivets from the center crossmember and replace them with bolts if you need to install it without removing the engine. Removing those rivets with the cab on the frame is a PITA but doable. There are a few things you will need to sort out and plan for before you tare into it. A donor truck that came with a C6 will save you a lot of time and work. If you find one get everything that is connected to the transmission including the steering column. Otherwise you will have to figure out the shift linkage, kickdown linkage, a neutral safety and driveshaft.
 
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Old Apr 13, 2020 | 05:01 AM
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Or you could learn how to drive a standard. A lot less time and effort involved, not to mention the cost of all the parts needed for the c6 swap.
Eric
 
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Old Apr 13, 2020 | 04:54 PM
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Originally Posted by EricJ
Or you could learn how to drive a standard. A lot less time and effort involved, not to mention the cost of all the parts needed for the c6 swap.
Eric
That is always an option. Feeling a little salty today Eric?
 
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