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Fair enough. I’ll give the OEM’s Load and Inflation Tables another glance. I understand that speed plays a role in all of this. I’ve operated under the assumption that max weight ratings (listed on the tire sidewall) are the max weight the tire can safely support, regardless of speed. In my...

Good to see GM addressing the issue. Other than the few instances of air bags going off, the Colorado really seems to have earned its reputation as a solid midsized pickup.

That's ballsy, though to be fair I'd be more concerned about the electronics around the engine than the engine itself for that kind of crossing. Have you ever tried putting a winter grille cover on for deep crossings? I've always thought that might be a half-decent solution for a water...

I agree. I guess my point is: if you're traveling on an actual road (which North American overlanders are for the most part), tire selection and tire pressure will be more relevant than the weight difference between a diesel and gasoline 3/4 ton. If we were talking about Australia, where there...

That first video is from Australia. Is the OP looking to take his vehicle to Australia? For overlanding in North America, most of the accessible roads are old, or active, forest service roads. Most of those roads are more than capable of handling a diesel 3/4 ton. If you're worried about...

The issue of weight always seems to come up whenever the 6.4L Hemi PW is compared to the 6.7L Cummins 2500/3500. Yes, its true that the Cummins Ram is significantly heavier than the Hemi version (by about 1k lbs), but Hemi Ram is still a 6.6k lb truck (in base trim with no options)...that's not...

Whereas the original 270 ft-lbs seemed a bit on the low side, 310 ft-lbs is more than enough to power a moderately built LC or midsized pickup. I'm glad Cummins updated the engine software.

It is in fact a spacer kit, but I do think it's worth pointing out that it's not your average spacer kit. In fact, I can't think of any other spacer kit for the Ram HD that goes to the same lengths as AEV to ensure driveline geometry and stock driving characteristics are maintained (as much as...

Well if he wants to run 37's or larger with minimal lift, AEV's kit does seem like the obvious choice. I understand that it is fundamentally different from the route that Carli and Thuren have gone, but still there is a whole lot of thought and development that went into that setup versus...

Supposedly Cummins put out a new tune which increases the torque output. Can anyone confirm this?

The 3500 can be had in SRW configuration as well. The main difference between 2500 and 3500 is GVWR, rear suspension setup and engine ratings. Speaking for the Ram HD's specifically, the 2500 has coil springs in the rear, lower GVWR and offers either the 68RFE auto or the G56 manual with a...

I don't think I've been overly antagonistic in this back-and-forth. I have genuine questions about the literature you're referencing. Are you allowed to "overload" the tires beyond their rated weight capacities at certain speeds? Are increases in tire pressure required to accommodate those...

The wording in the PDF you provided is vague. For section A, it says "+75%" load change for creep speed, and it also says "+30 psi." Does that literally mean its safe to increase the rated tire load by 75%, because that's a vague implication and not directly stated anywhere in the manual...

I don't understand what that page is demonstrating. Are you saying that the weight rating for a given tire is intended for a certain speed, and therefore at slow speeds or stationary, the rating is inherently higher? Do the conventional A/T and M/T tires show that info? I thought the weight...

Are you sure on that? I'd always understood that the max weight rating for a given tire was the maximum weight allowed period, regardless of speed.

Because when you get into terrain that causes the suspension to articulate, you may very well have 1 tire come off the ground, at which point the remaining 3 tires need to be able to support the vehicle's combined weight. Anyways, for a Ram 2500, a 3.5k lb rated tire will be more than adequate...

Is it? Theoretically, wouldn't you want your tire load rating to accommodate your GVWR, or close to your GVWR, with only 3 tires on the ground? Three 37x12.5R17 Falken tires only gives you 10,575lbs of capacity, which is a bit under the 3500's 11,700lb GVWR.

From a financial standpoint, you don't have to buy any of these add-on's. You could just buy a lower trim Colorado (and add some mild modifications) or a slightly used ZR2.

The older Dodge's and GM's were susceptible to rust. The newer Ram's and GM's seem to hold up fine here in the northeast (relatively speaking, as all vehicles will eventually succumb to rust up here). Same for Toyota's; it was only certain select years of Tacoma (and maybe Tundra, don't...

This is MSRP. Market demand will dictate the actual prices. And to be fair to GM, even if the MSRP's are a little wacky, it is cool to see them offering performance offroad parts (I assume some of which were derived from their racing program). I wish Toyota would do something similar.