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Small correction for you, GMT800 HD 2500/3500's with 8.1's did use the same Allison trans as the Dirtymax's. What didn't get an Allison was the 3/4 ton SUV's with the 8.1L engine. So a Suburban, Yukon XL or Avalanche 2500 came with the 4L80e. Also, the G-vans that used the 8.1's also used...

Rely on the pucker factor. I've had mine at a pretty serious side tilt and nose down and nose up on different trips last summer. When it is getting to the point that feels like it's too much I stop. Most of the time I'm out with others and somebody is spotting me through the rough stuff...

It's one way of doing it. I deal with dirtymaxes daily at work. I won't be shy in saying I'm not a diesel guy. Can't deny the power and fuel economy, but there's a ton of extra complexity for the 300hp/500ft/lbs of torque target. The 8.1 makes 345hp and 455tq stock. Tune out torque...

I'm not saying to not do a Dmax swap. It's your ride. Problem with a Dmax in a square is packaging. GMT800 trucks where the Dmax came out in originally had a factory body lift combined with a taller cross section of the frame. It was needed to clear the exhaust downpipe and the size of the...

I've not seen one in person yet, but if they do what they did on the previous Kodiak you don't have to pull the cab to do major repairs. There's a doghouse cover on the Kodiaks that allow pretty good access to the rear of the engine. I've got two for tow trucks at work and we've had to replace...

You certainly can. Hell, I'm running a 5.3 in my 91K5. So swapping a 6.2 and 8 speed is just a matter of taking out the old and installing the new. I'm oversimplifying as there are the obvious electrical issues to deal with but it has been done before. It just depends on if you are doing the...

Keep it dude. I'm a GM guy through and through, with the next two generations of Suburbans coming through the shop (yes, I'm at a dealer) I can confirm the facts others have stated so far. The GMT800 platform is probably the best truck platform compared to the 900's and the K2x trucks that...

I think a 4wd G-van is as close as one is going to get to that description. Way less stuff to do than all the body mods needed to do what is in the pic. Plus it's a lot better looking.

Great trip. Good to see old iron in use and still making memories.

**************! Looks awesome. The 4500 is a nice touch too. I think I've seen maybe 1 or 2 g-vans in my life that were manuals. One was a 3 on the tree too.

A buddy and I built my own. Just fit into the trailer hitch receiver and swings down. It works ok and it doubles as a step to aid getting in. However, after the 2nd day on the trail lowering and lifting whenever needing to get into the back sucked. The Trasharoo is unusable when the tire...

I've run the trail a few times as it's about an hour and a half from my house to the Westcliffe side of the trail. Nice video. As others have said the sand changes. Most of the sand is pretty easy to navigate. However, right at the beginning of the trail on the dunes side there's about 50...

Don't forget the added baggage of the emissions garbage on a new diesel. It proven that emissions laden diesels get less fuel economy than the earlier non-emissions diesels did. You get the added fun of DEF fluid to add every few thousand miles too. Yes that stuff can be deleted with a...

I hear you on the furnace. Had mine working finally on the last two mountain runs we did. Sure beats freezing your buns off on the ground with an air mattress in a breezy tent. No leaks is a good thing too. Glad you got the better half out for the adventure too.

Props on not being a Bro-dozer. Like the build. SAS is just icing on the cake.

That recall just got posted to dealers today. We have a 19 ZR2 that just showed up last week I need to run the update on before we can sell it.

Yep that's my ride. I looked for a couple of years before I found mine. Most I did find were attached to crusty beasts where the owner was unwilling to separate. I managed to get lucky and find one where the owner was willing to split. Mine was built to use too. Not to much beach to...

Great to see another Squarebody out on an adventure. Great pics and report.

It sold like early this year or late last year. Pics started popping up on my IG feed so I reached out to them. A couple back east bought and have been enjoying taking it all over.

Thanks for the appreciation on my rig. It's a solid work in process. Tire choice is critical for a dual purpose ride like that. Good you found something that works for you. I'm betting that 73 probably had a good amount of hidden rust if it had been a mudding truck. GM didn't start doing...