Full timing rig; the search continues

GMandJM wrote:
I can't speak as to the EGR on a gasser, but I wouldn't let the DEF and DPF systems be the biggest factors in deciding not to buy newer diesel model.

DEF is easy to get and I've had no issue with it yet. Any particular issue you have in mind?

Most soot burns off in the DPF system during normal driving. I'm not sure how much mileage difference we're talking for brief active regen. I can't imagine it would be all THAT much.

One thing I'm not sure I like about Tiffin is that they've disconnected the manual regen option. I guess to keep people from starting fires by doing a regen while parked on dry grass. Not sure if other makers have done this.

I'd like the option of choosing when and where to do a regen, but that's just me being a control junky ;)

The emissions equipment on modern diesels are notorious for clogging and, yes, your mileage drop should be noticeable. When my truck went into regen I lost at least 50% of my mileage instantly. You can search Youtube to find people setting asphalt on fire when they manually send their trucks into regen. I've had real world experience with these systems, and I don't want to deal with the issues. As much as most RV shops charge for labor and parts, and what my truck cost to fix, I dread that repair bill.

I was deleted for over 50,000 and still lost the factory turbo after 90,000; I also removed the grid heater, and found about a MM of soot built up inside the intake. Essentially, modern emissions keep the tailpipe clean at the expense of engine longevity. All that garbage goes through the entire intake system, from the turbo through the charge cooler and into the cylinder; that's a lot of trash that, eventually, winds up in your bearings and cylinder walls.

Tiffin probably did that due to liability issues, i.e. setting things on fire during idle, and/or increasing regulations.