1972 1 ton Wrecker

[awhite4557]

I'm starting a new project (as time and money allows). I purchased a 1972 C-30 1 ton cab and chassis to start with. I also purchased a 1991 GMC 1-ton roll back wrecker with a 454 5 speed. I also purchased a 2002 24 valve Dodge Cummins with a 5 speed transmission. My goal is to swing the 1972 cab/front end onto the 1991 frame which is already stretched with the aluminumn roll back wrecker bed and then install the cummins engine and transmission.

[special-K]

Sounds like a great plan. I've yet to do a Cummins swap, but I remember when they came out thinking what great donor engines these will be. Now I see the day there will be more 12 valve Cummins in other vehicles than Dodges. Might already be true.

[57taskforce]

I can't wait to see this one. I'm planning to swap a 12 valve into my K/20 a few years down the road.

[Boog]

It's sort of got that "towmater" look about it.

[zicc1835]

subscribed

[special-K]

People need to add "Cummins" to "12-valve" when referring to them. I mean, a 250 is a 12-valve and so is a 292, and about any 6cyl out there. Don't mean to insult, but it just sounds ignorant to me, especially when these trucks came with 12-valves and they weren't Cummins diesels

[Leangreen72]

I swapped a cummins "12 valve" into my 1970 k20 a couple of years ago...used a 1990 model 3/4 ton dodge for a donor..swapped in the Dana 60 front and 70 rear..has 3.08 gears and used the 727/205...one of my favorite trucks...had 4:56 gears,350, 4 speed and was only good for 6-7 mpg...now it cruises right down the road getting 16-17 mpg...
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[Leangreen72]

I swapped a cummins "12 valve" into my 1970 k20 a couple of years ago...used a 1990 model 3/4 ton dodge for a donor..swapped in the Dana 60 front and 70 rear..has 3.08 gears and used the 727/205...one of my favorite trucks...had 4:56 gears,350, 4 speed and was only good for 6-7 mpg...now it cruises right down the road getting 16-17 mpg...
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[72 tigger]

I bought a rolled over 02 dodge 4x4 with a cummins in 03 & used the entire chassis under my 72 body. Been using it as my DD/work truck for over 13 years & very happy with it

[57taskforce]

I'm just waiting for the right 12 valve truck to come up for sale so I can scoop it up. They are still pretty pricey for there age around here.

[awhite4557]

This is the engine and transmission for the project. Its a 2002 24 valve cummins with a 5 speed manual transmission.

[awhite4557]

This is the wrecker I bought for the frame and bed. It's a 1991 GMC 1 ton with a 454 and 5 speed manual transmission. The bed is a Century 17 foot roll back aluminum wrecker bed.

[57taskforce]

That is gonna be a really cool truck!

[James the III]

What are your plans for front springs??
As the oil burner is double the bbc weight

[awhite4557]

Originally Posted by James the III

What are your plans for front springs??
As the oil burner is double the bbc weight

I'm not sure of the difference it will make, I was going to install the cummins and make adjustments from there. I plan to do some research as well since I am planning to restore the 72 and make a classic hauler out of it, updating the front suspension with new parts.

[57taskforce]

The 5.9 is about 500 lbs more than a big block. I'm sure you can come up with something,