3.0 DuraMax swap

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Brban88

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Sheridan, Wyoming
First Name
Billy
Truck Year
1988
Truck Model
Suburban V20
Engine Size
350
I'm curious as to whether or not anyone has contemplated or done a 3.0 DuraMax-Trans-Transfer case swap. I know at first blush it would require a different front differential with a left hand input and I'm also assuming the electrical/computer conversion could be extensive to say the least. I'm driving a 2024 Silverado 1500 with that drive train and have to say I'm extremely impressed. This little engine is torque monster and would be a perfect fit for my 1988 V320 Suburban, if the swap isn't completely out of reason. The vehicle will be getting a new power plant in the very near future one way or another and I felt it might be worth exploring the feasibility of the DuraMax swap prior to diving in.

Thanks for any relative input you can provide.
 

TotalyHucked

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Zach
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1985
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Sierra 1500
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5.3
Me and my buddies have bench raced that very swap quite a bit. Nobody has done it to our knowledge (and we know ALOT of people in the square world) yet. The most feasible way would be to use the engine/trans and adapt the factory '88 T-case unless you're willing/wanting to swap axles to a driver's side drop (which may also complicate other things, not sure). But as I said, nobody's done it yet, so there's not much out there for swap parts just yet. It'll come though
 

Grit dog

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454, 350
Sounds great in theory. Also sounds like a PHd level engineering assignment.
That said, I had one of them 3.0 Dirtymax trucks for a few months and absolutely loved it. Nevermind it’s the only 1/2 ton diesel still being produced, if I had the need for a new or newer half ton that I was footing the fuel bill on and putting on a lot of miles I’d have one in a heartbeat.
The company I was working for have been running them since they came out with several of the original models well over 100k miles and feel the repair costs have been low enough they keep buying them.
It’s mind blowing you can drive a crew cab half ton loaded 4x4 and average 28mpg even driving like an @sshole! They’re great.
 

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