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Nov 24, 2009 | 05:01 PM

mbolte

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Junior User

Joined: Nov 2009

Posts: 62

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From: Manhattan, KS

New, needing some advice!

Hey,

I just joined up, I got a 1977 F-150 4wd, the motor shot, so I picked up a 1982 F-150 and swapped the engine tranny and xfer case in...I'm realizing now this is gonna take some time to get to work. The xfer case sits to low and the front drive shaft won't mounth without hitting the cross member. Are the trannys different in these trucks, I believe they are both C6's? If I find a xfer case for a '77 can I bolt it up instead so it will clear...I really wanna get this finished up, I swapped it out and got it running in high school 4 years ago but with college and my camaro I keep getting sidetracked lol...

I have also thought about building a new tubed crossmember but still a little unsure on it.

Nov 24, 2009 | 06:19 PM

427 fordman

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Joined: Feb 2009

Posts: 10,408

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From: Plankinton, SD

I don't know if they are the same tranny's for sure or not. If your only problem is the crossmember and everything else is done correctly I would do just what you said and build a new one.
I could get rid of that camaro for you. Park it in front of my highboy. I have always been wanting to drive over something, or at least try. LOL I had to say it, I'm all ford.

Nov 24, 2009 | 09:49 PM

'73-'79CRAZED1!!

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Yeah, mbolte you may just wanna keep that ccca-maro stuff to yourself on here. But happy to hear you got yourself kick-butt pick'em up truck. Ford rocks it out on this site, Dude!! But, anyways you can tell if you have a c4 or c6 by the shape of the pan, once read that a c6 is shaped more like the state of Utah and c4 is more square shaped. Not totally sure but I think that the c6 was used from '76-'96, Just have to double check on that. Probably not much help, but I tried.

Nov 24, 2009 | 11:46 PM

fmc400

MSEE

Joined: Apr 2004

Posts: 10,386

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From: Austin, TX

C6 = 1966; C4 = 1964. Refer to the following image regarding pan shape (pay attention to the number of bolts along the pan flange):

Nov 25, 2009 | 12:26 PM

'73-'79CRAZED1!!

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Gottcha', that's good reference stuff thank for clearing things up for us.

Nov 25, 2009 | 04:51 PM

mbolte

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Joined: Nov 2009

Posts: 62

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From: Manhattan, KS

Thanks for the replies guys, went and looked today and the tranny is a C6 I don't remember what tranny was in it before but it was a 77 with a 400 and an auto....So is it the xfer case that is different? Currently the drivers side of the case is rubbing the frame rail and the yoke is way to low to get around the cross member. I'm thinking if the trannys are the same I can get the right case for a 77 and solve my problems?

Last edited by mbolte; Nov 25, 2009 at 04:54 PM. Reason: its a c6

Nov 25, 2009 | 05:18 PM

NumberDummy

Ford Parts Specialist

Joined: Nov 2006

Posts: 88,826

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From: Simi Valley, CA

Quote:

Originally Posted by mbolte

Thanks for the replies guys, went and looked today and the tranny is a C6.

I don't remember what tranny was in it before but it was a 77 with a 400 and an auto.
C6, the only A/T offered w/351M/400's.

The C6 was introduced in 1966 with certain engines in full sized Ford/Mercury/Lincoln Passenger Cars and T-Birds. Introduced in 1968 on F100/350's.

C6's were installed with the following V8's in 1968/79 F100/350's:

1968/72: 360/390 // 1973/76: 360/390/460 // 1977/79: 351M/400/460.

In 1978, Ford offered the C6 for the first time with the 302 in F100/150's, but many of these trucks still used the C4. It all depended on the application.

Ford confusion: Thru 1978, Ford used the letter G on all Warranty Plates for ALL A/T's on F100/350's.

One had to know which trans came with what engine.

1979 was the first year that the letter K was used to denote a C6.