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Old 05-12-2022, 11:00 AM   #1
blue 72 gmc 4x4
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One Ton Cummins

Well here we go. To make a long story short this truck started out as building a combo of two trucks. The chassis of a rolled 72' GMC and a 69' C30. Now it is the combo of 4 trucks and 3 different makes of parts! FORD, DODGE and Chevy/GMC! I made the decision to do a Cummins built truck after a customer had stopped by my shop in his k5 blazer he had swapped a Cummins into. It'll be more useful to what I do and what not. A good friend of mine is doing all the frame fab work. Once it's together and running I will finish what's needed then blow it back apart and powder coat everything.

Here's a list of parts and pieces that are making up the build so far.

1979 Ford Kingpin dana 60 front axle. HARD TO FIND!!
Dana 80 dually rear axle
1972 C30 Motorhome Chassis (cut 20 inches or so out and boxed)
1994 Dodge 12 Valve cummins (donated its life)
Last but not least the 1969 C30 Cab and clip with a GMC grill

Stay tuned!
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1972 GMC (Wrecked)
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1955 GMC hydramatic build
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Old 05-12-2022, 11:05 AM   #2
blue 72 gmc 4x4
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Re: One Ton Cummins

More pictures. This timeline is over a few months/years. Things seem a little choppy but now I have all the major parts I need. I am also doing a frame off resto on a 69' C10 short bed at the same time. There will be some major progress in the next few weeks though.
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1955 GMC Hydramatic
1959 Chevy Spartan 100
1969 Chevy C/10
1969 Chevy C/30 Bruiser
1972 GMC (Wrecked)
1972 GMC pickup..old blue

Restored Vent Windows
https://67-72chevytrucks.com/vboard/...d.php?t=766598

1955 GMC hydramatic build
http://67-72chevytrucks.com/vboard/s...d.php?t=429417

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Old 05-18-2022, 11:42 PM   #3
57taskforce
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Re: One Ton Cummins

Awesome! I’m in to see this come together. I’ve been wanting to 12 valve swap my K20 for years but finding the right donor truck at a good price is almost impossible any more it seems.
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Old 05-19-2022, 01:45 AM   #4
Richard
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Re: One Ton Cummins

Will keep an eye out for updates on the build. Looks like you have a good start!
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Old 06-09-2022, 10:32 AM   #5
blue 72 gmc 4x4
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Re: One Ton Cummins

Now it's starting to look like something! I need to get longer U-bolts for the rear so I can use the correct lift blocks on it.
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1955 GMC Hydramatic
1959 Chevy Spartan 100
1969 Chevy C/10
1969 Chevy C/30 Bruiser
1972 GMC (Wrecked)
1972 GMC pickup..old blue

Restored Vent Windows
https://67-72chevytrucks.com/vboard/...d.php?t=766598

1955 GMC hydramatic build
http://67-72chevytrucks.com/vboard/s...d.php?t=429417

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Old 07-25-2022, 05:39 PM   #6
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Re: One Ton Cummins

Drivetrain is in! Lots more fab work to come, stay tuned....
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1955 GMC Hydramatic
1959 Chevy Spartan 100
1969 Chevy C/10
1969 Chevy C/30 Bruiser
1972 GMC (Wrecked)
1972 GMC pickup..old blue

Restored Vent Windows
https://67-72chevytrucks.com/vboard/...d.php?t=766598

1955 GMC hydramatic build
http://67-72chevytrucks.com/vboard/s...d.php?t=429417

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Old 07-25-2022, 08:23 PM   #7
yuccales
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Re: One Ton Cummins

Gonna be awesome!
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Old 04-04-2023, 04:18 PM   #8
blue 72 gmc 4x4
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Re: One Ton Cummins

Some updates. Motor is fully mounted, fuel tank is mounted. Continuing the mockup and going to get it running soon. Crossover steering is ordered and the dodge core support is going to work with some mods.
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1955 GMC Hydramatic
1959 Chevy Spartan 100
1969 Chevy C/10
1969 Chevy C/30 Bruiser
1972 GMC (Wrecked)
1972 GMC pickup..old blue

Restored Vent Windows
https://67-72chevytrucks.com/vboard/...d.php?t=766598

1955 GMC hydramatic build
http://67-72chevytrucks.com/vboard/s...d.php?t=429417

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Old 10-22-2023, 03:25 PM   #9
Ol Blue K20
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Re: One Ton Cummins

I'm subbed and watching!
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Old 11-02-2023, 06:23 AM   #10
Dieselwrencher
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Re: One Ton Cummins

Nice work on your truck! These builds take a lot of work but are well worth it in the end. I use my truck for hauling all the time. That's what it mainly does, gets used.
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