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73-87 Chevy _ GMC Trucks => Body, Glass & Paint => Topic started by: 1976Scottsdale on March 30, 2006, 03:29:00 PM

Title: 1977 K-10 body swap
Post by: 1976Scottsdale on March 30, 2006, 03:29:00 PM
I got to looking at my 77' K-10 and have decided that there may be too much body work needed at this time.  I am going to keep the cab for later use.   I found a clear titled 1985 Chevrolet C-10 longbed truck.  The owner is selling it because he pulled out the engine to use in his boat.  He is selling the truck for $200.00.  I am thinking of getting it and swapping the body onto the 77' chassis.  I am going to install a 2" body lift to make the cab fit.  My only question has to do with wiring.  I know that a 1979 frame will work with a 76 cab as far as wiring, but will a 1985 work on a 77 frame... other than the windshield washer stuff?  Or, should I use the wiring from the 85 for this?

Title: Re: 1977 K-10 body swap
Post by: 123 pugsy on March 30, 2006, 04:55:00 PM
I used an 85 cab and cab wiring on a 79.I also used the steering column and wiper motor.You may have to move a few pins in the fusebox,but its simple to do.

Title: Re: 1977 K-10 body swap
Post by: s002rat on March 31, 2006, 09:54:00 AM
I am currently doing the same, 84 on a 78.  The crucial wiring worked, the ignition and tail lights.  As for the rest, i wasn't so lucky.  Headlights and wiper motor are next on my list to figure out.  I hear you can reconfigure the pins on the fuse block, but I haven't gotten into that yet.  Does anyone know where to find a diagram of both years?  I put a 3 body lift on as well.  Had a little trouble with lengthening my shift linkages, 3 speed on the column.  Other then that, it was worth the work.

Title: Re: 1977 K-10 body swap
Post by: 123 pugsy on March 31, 2006, 04:13:00 PM
I've been using the Haynes manuel.Its got schematics from 67-87 in 1 book.You can flip back and forth to see the differences between the 2 years and adjust everything accordingly.

Title: 77 body swap
Post by: 1976Scottsdale on March 31, 2006, 05:21:00 PM
Well, wiring is kind of torn up on the 77, so I may just use the wiring off of the 85 truck.

Title: Re: 77 body swap
Post by: 1976Scottsdale on April 05, 2006, 08:43:00 PM
It is official.  I found out that the 85 has a clear title, no rust, and no dents.  It is going to cost me $200.00 to get it plus the fuel to get it home.  Now I have an important question.  I have swapped cabs before, but only direct from 73-80 to 73-80.  What has to be changed on the frame to use the whole 85 body on the 77 frame?  I keep hearing about bumpers, could the old on be left on?  If not, what do I need to do to make them work?

Title: Re: 77 body swap
Post by: 123 pugsy on April 07, 2006, 05:55:00 AM
Are you using the 77 front clip?Fenders,hood...if so your bumper will still fit.If you change to the 85 front,your 77 bumper is the wrong shape.

Title: front clip
Post by: 1976Scottsdale on April 07, 2006, 01:49:00 PM
No, I will not be using the 1977 front clip.  I will be using the 85's, as mine is ruined.  What is wrong about the bumper, will it hit the front clip?

Title: Re: front clip
Post by: 123 pugsy on April 07, 2006, 03:12:00 PM
I think,I'm not a 100 percent sure that the older bumpers are pointed in the middle and the newer ones are more straight across.I had a newer style bumper on my 78 and it was digging into the fenders where it hooked around at the ends.

Anyone can confirm this???

Edited by: 123 pugsy at: 4/7/06 2:14 pm