"79 F150 cab on a '73 F600?
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New User
Joined: Jan 2008
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From: Manteca, Ca.
"79 F150 cab on a '73 F600?
I have a '73 F-600 with a very badly rusted cab. I found a guy that is parting a '79 F-150 and was wondering what would be involved in swapping cabs?
I have searched but only found vague answers like "there will be a few mounting differences". Anyone have specifics?
Thanks in advance guys!
I have searched but only found vague answers like "there will be a few mounting differences". Anyone have specifics?
Thanks in advance guys!
Fleet Mechanic
Joined: Dec 2005
Posts: 1,603
Likes: 44
Cabs
All I can say is that I did this the other way around being a F600 cab on
a 1979 pickup. Of course the dash is different but that can be changed.
I didnt have any big problems other than little chicken stuff. My son
uses hockey pucks for cab mounts and they work well. I have three
of these for plowing and they are all cross bread. 73 to 79s. sam
a 1979 pickup. Of course the dash is different but that can be changed.
I didnt have any big problems other than little chicken stuff. My son
uses hockey pucks for cab mounts and they work well. I have three
of these for plowing and they are all cross bread. 73 to 79s. sam
Cargo Master
Joined: Jan 2008
Posts: 2,219
Likes: 190
From: Colorado Springs
The cab mounts differently on the frame so that you may want to drill out the spot welds holding the f700 front cab mounts and weld them in place of the f150 mounts. the floor pan on the f150 will have a bigger tranny hump. The good news is that the f150 firewall will still have the mounting points for the f700 hood hinge support brackets and fenders bolt on the same.
Cargo Master
Joined: Jan 2008
Posts: 2,219
Likes: 190
From: Colorado Springs
One other thing I just thought of: The steering column on the f700 mounts lower, down near the floor compared to the f150. Its not a huge deal, you can simply make a stencil and trace the cut-out onto your f150 cab floor and transfer on any stiffener plates. Then just weld in a patch for the f150 column. As I recall, the f700 gas pedal mounts the same, but is in a more vertical position because of the smaller tranny hump. You may as well use the f150 gas pedal.
Other thoughts:
I dont want to omit any possible problems, so just in case: I am 90% sure that the front floor pans are similar enough in shape but because of the different tranny hump, the f700 body mount supports may have a slightly different mounting surface towards the center, if this is the case, possibly weld in spacers to take up the possible gap or just transfer the f700 front floor pan section onto your f150 cab. This would also solve the column issue at the same time.
There is also some bracketry on the f700 cowl that you will need to drill holes for.
Be aware that the floor pans and related are galvanized steel and will need to be sanded/grinded before welding, and re-coated with cold galvanizing when finished to avoid rust in the future.
Other thoughts:
I dont want to omit any possible problems, so just in case: I am 90% sure that the front floor pans are similar enough in shape but because of the different tranny hump, the f700 body mount supports may have a slightly different mounting surface towards the center, if this is the case, possibly weld in spacers to take up the possible gap or just transfer the f700 front floor pan section onto your f150 cab. This would also solve the column issue at the same time.
There is also some bracketry on the f700 cowl that you will need to drill holes for.
Be aware that the floor pans and related are galvanized steel and will need to be sanded/grinded before welding, and re-coated with cold galvanizing when finished to avoid rust in the future.
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