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04-03-2018, 08:27 PM
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#1 |
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Registered User
Join Date: Apr 2018
Location: Lemont, IL
Posts: 9
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Chassis swap
I have a 68 GMC 3/4 ton that I want to switch to a half ton frame. Recently purchased a 71 half ton rolling chassis. What are some differences that I may encounter between the two? They are both long bed wheel base. Any information would be helpful. Thanks
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04-03-2018, 10:54 PM
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#2 |
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The Older Generation
   
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,333
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Re: Chassis swap
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Basically the only difference will be the rear cab mounts on the frame. (just use the 1/2 ton body mount cushion set) and the front brake lines from the booster to the frame. (because the '71 frame will have the disk brakes on the front) There will be a few pieces of smaller stuff, like the combination valve on the booster, but just ask questions as you progress on it. LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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04-03-2018, 11:28 PM
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#3 |
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Registered User
Join Date: Oct 2006
Location: Orland Park Il
Posts: 2,041
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Re: Chassis swap
On my ‘68 I bent the original brake lines to the 72 booster/master and run adapters to fit the lines....Incase you don’t have the lines from the chassis. LMK if you need a hand I’m close and would also be interested in the 3/4 T frame if you’re not keeping it.
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68 GMC C3500 Longhorn DRW 67 Chevy C10 LWB 90 Mustang Gt 90 Mustang Notchback Last edited by projectking; 04-03-2018 at 11:39 PM. |
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04-03-2018, 11:47 PM
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Registered User
Join Date: Apr 2018
Location: Lemont, IL
Posts: 9
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04-03-2018, 11:48 PM
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#5 |
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Registered User
Join Date: Apr 2018
Location: Lemont, IL
Posts: 9
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Re: Chassis swap
Will do thanks!
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04-04-2018, 03:20 AM
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#6 |
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Scrapper 1
Join Date: Jan 2007
Location: Riverside Calif
Posts: 1,649
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Re: Chassis swap
Was both truck leaf springs or was one coil
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04-04-2018, 08:50 AM
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#7 | |
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Registered User
Join Date: Apr 2018
Location: Lemont, IL
Posts: 9
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04-04-2018, 08:51 AM
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#8 | |
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Registered User
Join Date: Apr 2018
Location: Lemont, IL
Posts: 9
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Quote:
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04-04-2018, 09:17 AM
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#9 | |
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The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,333
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Re: Chassis swap
Quote:
LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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04-04-2018, 10:34 AM
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Registered User
Join Date: Apr 2018
Location: Lemont, IL
Posts: 9
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04-04-2018, 10:39 AM
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#11 |
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Registered User
Join Date: Apr 2018
Location: Lemont, IL
Posts: 9
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Re: Chassis swap
Would the front cross members interchange so I could keep the body and chassis together? And save myself days of work while still getting the half ton ride and disc brakes? The leaf springs would swap out easily with the axles I am guessing
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04-04-2018, 06:44 PM
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#12 | |
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The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,333
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Re: Chassis swap
Quote:
Yes, the cross member swap is a bolt in deal.... LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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04-04-2018, 06:45 PM
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Registered User
Join Date: Apr 2018
Location: Lemont, IL
Posts: 9
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04-04-2018, 06:47 PM
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#14 |
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Registered User
Join Date: Apr 2018
Location: Lemont, IL
Posts: 9
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Re: Chassis swap
Awesome! Should save days worth of work, and give us more driving time.
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04-04-2018, 08:45 PM
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#15 |
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Scrapper 1
Join Date: Jan 2007
Location: Riverside Calif
Posts: 1,649
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Re: Chassis swap
Reason why i ask cus no pics.Now if he had a 3/4 ton with ladder bar and come to like the car riding comfortably there is a big difference My 1965 3/4 ton compared to me 1972 that had leaf springs my 1965 coil springs rode like a car even when it was loaded the leaf spring is a little harsher. But if you never had coil spring you would never know
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