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Although my truck isn't leveled or lifted, or even tuned I do have the 275/65r20 (34in) AT tire like you do and I'm getting 18-19mpg in town and 22-23mpg on the highway. I'm hoping soon to get a stage 1 tune and bring those numbers up.

I'm assuming that you mean a 2018 eco Laramie…….anyway, I purchased a 2018 ecodiesel Laramie w/3.92 gearing 3 months ago. I have no had problems at all with mine. As long as you are willing to understand the these motors do have some problems but are very correctable. In my opinion I...

Does the ECM tune also have a trans tune?

Thank you for explaining it all to me.

Not to take away from sale here or change the topic but does it matter if you have the actual ECM tuned vs the flash tuner to load up the tune on your OEM ECM? Back to topic now…..I am interested in a tune for my truck but I don't have the funds right now.

I thought that a ECM can only be used with the VIN it was programed to.

Correct me if I'm wrong. You can only use that ECM with the VIN of the truck it was originally programed for. How exactly is that going to help anyone that buys this?

Yes, it will still regenerate. It does lengthen out the intervals at which the regen occurs but it still happens.

Interesting.....the cycle between regens broadens but the usage of DEF increases. Guess that means that the DEF filter plugs up faster due to the EGR being eliminated from the stock setup.

Do the regen cycles slow down or are they just frequent as they are stock?

After you get a tune and the egr is inoperative such as with the SFT what happens to the left over DEF fluid in the tank? It'll go bad won't it? Then if you need to go back into the dealer and you with things back to stock tune and start using the DEF again with bad fluid won't it put up...