2027 2500HD ZR2

[Barb the Yeti]

Im about to order my 2500 ZR2, and I heard from a supplier that there are going to be some improvements to the 2027 2500 ZR2 before the transition to the new body style in 2028 including:
Updated larger DSSV shocks
The new diesel 8.3L duramax
Some other improvements

I am planning on getting the 6.6L gas anyway, and will be immediately replacing the shocks, so neither of those matter to me. Anyone here heard of any rumors or have an opinion if I should wait for the 2027?

 

[landpilot]

Just out of curiosity, why would you replace the shocks right away?

 

[Barb the Yeti]

Just out of curiosity, why would you replace the shocks right away?

Its the only thing I havent been impressed with on the trucks I've test driven (other than the factory tires).

I am used to king shocks, and my buddies over at Dirt king have a 2500 kit that rides amazingly well, and their UCA gives a ton more droop travel.

 

[landpilot]

Sounds good, i agree about the factory tires, at least on the 1500... Thanks, i was just curious.

 

[AXE]

You may as well buy a Trailboss or LTZ Plus or High Country and put a Cognito lift and Fox 2.5s or Elkas.......same money or less!

 

[Barb the Yeti]

You may as well buy a Trailboss or LTZ Plus or High Country and put a Cognito lift and Fox 2.5s or Elkas.......same money or less!

Nah, im getting the bison, I want the bumpers & skids, and rear locker. Planning to do real offloading. I wish they offered a bison without all the frilly stuff and leather, but oh well.

 

[AXE]

Nah, im getting the bison, I want the bumpers & skids, and rear locker. Planning to do real offloading. I wish they offered a bison without all the frilly stuff and leather, but oh well.

What was the question?

 

[Barb the Yeti]

What was the question?

Should I wait for the 2027 model? And does anyone know what if any changes are happening?

 

[securityguy]

Should I wait for the 2027 model? And does anyone know what if any changes are happening?

Honestly, I don't think you will see any changes in the 2027 2500HD trucks. The changes will be found in the 1500. 2500HD changes typically follow a year later as a 2028.

 

[Capking]

Im about to order my 2500 ZR2, and I heard from a supplier that there are going to be some improvements to the 2027 2500 ZR2 before the transition to the new body style in 2028 including:
Updated larger DSSV shocks
The new diesel 8.3L duramax
Some other improvements

I am planning on getting the 6.6L gas anyway, and will be immediately replacing the shocks, so neither of those matter to me. Anyone here heard of any rumors or have an opinion if I should wait for the 2027?

That’s what’s I’ve read/heard. I think the big three are all getting giant diesels next year

 

[MrScottly]

That’s what’s I’ve read/heard. I think the big three are all getting giant diesels next year

There is a guberment mandated exhaust emission initiative that kicks in for 2027, unless that is changed. It is what's driving the larger displacement diesels. I don't think the decision to deploy these has been made by any of the Big 3. Cummins has a 7.2 sitting in the shadows, with a 48v electric heater for the primary DPF that looks interesting.

 

[securityguy]

There is a guberment mandated exhaust emission initiative that kicks in for 2027, unless that is changed. It is what's driving the larger displacement diesels. I don't think the decision to deploy these has been made by any of the Big 3. Cummins has a 7.2 sitting in the shadows, with a 48v electric heater for the primary DPF that looks interesting.

100% Scotty. Highly doubt we'll see anything for a few years.

 

[8ball_99]

I haven't heard anything, If I had to guess the MSRP will go up so will the shipping/delivery fee. They seem to be pretty consistent on those two changes every model year, lol. Everyone has been talking about the new body style and engines coming. I can't see them doing many upgrades to the current model if the timeline for the new one is correct. Wouldn't make sense to do much to 27s if the new model is on it's way for 28.

 

[securityguy]

100% THIS ^^^

 

[MO_ZR2]

There is a guberment mandated exhaust emission initiative that kicks in for 2027, unless that is changed. It is what's driving the larger displacement diesels. I don't think the decision to deploy these has been made by any of the Big 3. Cummins has a 7.2 sitting in the shadows, with a 48v electric heater for the primary DPF that looks interesting.

Honest question here - how does a bigger displacement get around emissions?

I’d also want to see GM beef up their 2500/3500 front end components before I’d consider bigger/more weight motor - I’ve replaced more idler arms, pitman arms, ball joints, tie rods, and wheel bearings over the last 20 years than I feel one should (and not sure they’ve changed much at all in that time) - although I’ve not personally driven anything but one Ford for over 100k so maybe they all fail similarly

 

[MrScottly]

Honest question here - how does a bigger displacement get around emissions?

They can produce the same power levels as current, with less turbo boost and lower combustion chamber temps. This results in lower NOx emissions. I've actually heard that one of these motors got it so low that DEF was no longer necessary....I don't know if that's true. I do know that when Cummins went to the HO (on the old block), the DEF consumption was wayyyyy higher than the standard output. The HO version had different pistons and a larger turbo, same everything else. As to the new engines, notice the all of the rumors tout larger displacement, but not more power....Seems in line with the above.

 

[MO_ZR2]

They can produce the same power levels as current, with less turbo boost and lower combustion chamber temps. This results in lower NOx emissions. I've actually heard that one of these motors got it so low that DEF was no longer necessary....I don't know if that's true. I do know that when Cummins went to the HO (on the old block), the DEF consumption was wayyyyy higher than the standard output. The HO version had different pistons and a larger turbo, same everything else. As to the new engines, notice the all of the rumors tout larger displacement, but not more power....Seems in line with the above.

Got it, makes sense - whether rumors true or not, definitely interesting topic. Thanks for the insight, appreciated

 

[AXE]

Honest question here - how does a bigger displacement get around emissions?

I’d also want to see GM beef up their 2500/3500 front end components before I’d consider bigger/more weight motor - I’ve replaced more idler arms, pitman arms, ball joints, tie rods, and wheel bearings over the last 20 years than I feel one should (and not sure they’ve changed much at all in that time) - although I’ve not personally driven anything but one Ford for over 100k so maybe they all fail similarly

Yep, it's the same basic design for those parts since about 2004. That's exactly what people are missing in the quest for higher HP/TQ ratings. Everything else needs a healthy dose of upgrades to handle the additional power, but they skimp and you end up with lots of additional maintenance and cost.

I think most of these rigs have plenty of power for daily use and work. They need to be more reliable and lower cost.

 

[AXE]

They can produce the same power levels as current, with less turbo boost and lower combustion chamber temps. This results in lower NOx emissions. I've actually heard that one of these motors got it so low that DEF was no longer necessary....I don't know if that's true. I do know that when Cummins went to the HO (on the old block), the DEF consumption was wayyyyy higher than the standard output. The HO version had different pistons and a larger turbo, same everything else. As to the new engines, notice the all of the rumors tout larger displacement, but not more power....Seems in line with the above.

That’s all bullshit! Every motor I've ever modified to increase power uses more fuel and pukes out more emissions. That’s just 9th grade science. The whole reason they add the emissions controls in the first place is to reduce the inevitable increase in emissions when you make big power.

The only way to make bigger power with minimal emissions is EVs and everyone has a hard on against them.

Why are people listening to this fucking bot that's recycling and aggregating bullshit he scrapes from other useless sources.

 

[8ball_99]

Actually from my understanding it's something to do with emissions. Heavier bigger motors have different emissions then smaller engines. Like amount of emissions per liter of engine effects it. Basically these larger engines probably aren't going to be much more power, But they will put out lower emissions compared to their size. Bigger engine has a higher allowed emissions total. So a detuned larger engine is easier to meet standards then pushing a smaller one to the max. At least that was the reasoning for the new larger diesels. Not sure if it works the same on gas engines. Few videos on youtube of diesel techs talking about it. Right now that's kind of how the gas HDs are getting around a lot the emissions stuff the 1/2 tons have. Once a vehicle is over a certain weight. It get's except from certain guidelines. That's why HDs don't have DFM, auto stop, ect. Same reason the EPA doesn't test them for fuel economy. It's a size and weight thing that puts them under different requirements. Who knows might be why trucks keep getting bigger lol