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Old 09-22-2009, 10:57 PM   #1
jimmyn141
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frame swap

I have a 1971 c10 and a 1985 k20 frame. I want to put the 71 body on the 85 frame. They are both long beds. I would like to know if this would work and what i need to do. Thanks for any info you can give me.
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Old 09-23-2009, 07:41 PM   #2
csa daddy
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Re: frame swap

check this out frame swaps
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Old 09-23-2009, 08:17 PM   #3
special-K
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Re: frame swap

Hey,welcome to the site!

The cab and front clip needs a 2" body lift because the post`72 frames rise up more under the bed.The frame is longer in the front and thhe core support mounts sit forward of the pre-73s.You either need to move the mounts or drill the frame and mount through it.The front frame horns will need trimmed off.
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Old 09-23-2009, 11:20 PM   #4
jimmyn141
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Smile Re: frame swap

thanks for the info guys this will help alot. csa daddy that truck of yours looks sick nice job
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Old 09-26-2009, 10:52 AM   #5
csa daddy
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Re: frame swap

thanks that truck is actually on a suburban frame 73-91 body style
planning for rockwells an some 48s or 52 inch tractor tires on it
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Old 09-28-2009, 03:08 PM   #6
stenbrin
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Re: frame swap

what about anyone using a mid 80s or so suburban. they are only like 2.5 inches longer than the 67-72 long beds. Id like to see if anyone has some pics of that.
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Old 09-29-2009, 04:30 PM   #7
csa daddy
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Re: frame swap

thats what is used in my 68 the wheel base fits good . you ave to move cab mounts up to the top of the burban frame but other than that it works out pretty good
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Old 09-29-2009, 04:42 PM   #8
stenbrin
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Re: frame swap

do you have any build pics
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Old 09-29-2009, 04:54 PM   #9
Mudder
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Re: frame swap

The cab mounts mount on the outside of the frame. The front clip has to have the mounts raised quiet a bit. Didn't use a burb frame so don't know about that. The early 80's frame will take different size spacers to make it work. Bumper to frame mounts may be a problem also. Make sure you can get the distributor out once you bolt things down.

Last edited by Mudder; 09-29-2009 at 04:57 PM.
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