C-6 transmission

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Dec 9, 1999 | 10:24 PM

Dustin

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C-6 transmission

I have a 1977 F-150 with a 351-M and a C-6 transmission. The transmission is starting to go out and I know a guy who has a 1983 F-250 with a 6.9 liter diesel and c-6 tranny. Does anyone know if this tranny will match up with my 351-M?

Dec 10, 1999 | 12:41 AM

BigBrownTruck

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C-6 transmission

Dec 10, 1999 | 08:11 AM

Fordman

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C-6 transmission

I dont think that the C6 from a desiel engine will match up. Unless the bellhousing bolts are the same pattern as your 351.

Fordman

Dec 10, 1999 | 08:56 AM

Boss_358

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C-6 transmission

Iv'e never heard of anyone trying to bolt up that combination. I have no idea what kind of a bolt pattern the 6.9 has but if it is the same more power to you. If you are familiar with ford bolt patterns take a look at the pattern on the tranny and see what it looks like. There are only 3 bolt patterns that I know of for the C6. One for smallblocks, 351C, and 240 and 300 6cylinders.d FE engines. And 351M, 400, 429 and 460. I do not think ford would have a completely different pattern for the diesel engine and that one of those tranny's would work but anything is possible. Good luck.

Dec 7, 2010 | 07:26 AM

bennie hill

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deisl engines have differant rpm/power power range then gas engines. u might find that after u have figured out how to put that deisel trans on behind a gas engine that it is shifting to soon.