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Every vehicle I have ever owned has had soot on the exhaust tip(s). It's completely normal.

Put your truck in 4WD High and try to take a sharp turn. Straight from the owners manual...

I was hoping for better MPG out of my truck but 3.92's were a must for me. I frequently tow a car trailer and a 26' boat. My last tow rig was a 2003 2500 Suburban with the 8.1L and 4.10's. It was a beast and I didn't want to take very many steps back when towing. My 2003 Silverado 1500HD with...

I would have walked out.

You wouldn't even notice the fuel savings at idle.

I wouldn't hesitate to ask for the bed liner or hitch. I'm glad they don't "build stuff like they used to". Everything evolves technologically, safety wise, etc. I'd take a brand new vehicle over one made in 2010 any day. Also, not to be nitpicky, but your signature shows you have a...

You won’t!

6.4 wouldn't be enough of a jump from the 5.7 IMO. It would still be behind the Ford and GM HP/TQ numbers that are in their big dogs anyway. I honestly don't think much more power is needed in a 1500 truck either. Those who intend on towing close to the max of a 1500 really should be looking at...

Yeah. I like to take a peak at some people's Fuelly link just to see. Who knows what actually happened though. I input mine every time I get gas and make sure everything is accurate. Unfortunately for me, it is :(.

Someone in this post is lying on their Fuelly app or they got some fat fingers... No way you'd get over 800 miles on a tank or anything over 30 MPG.

A local guy had his chrome flake off on his front bumper and it was covered under warranty.

No problem!

Most stations I use have 87, 87 with 10% Ethanol, and 91 Premium. I use the cheapest stuff which is 87 with 10% Ethanol. I have not tried anything else in my truck yet other than 88 with 15% Ethanol (E15) and didn't notice much of a MPG hit.

My truck computer is usually within a few tenths of the Fuelly/Hand Calculated numbers. I have driven extremely easy with mine on this tank and the truck is showing 16.0 MPG. This is the highest I have seen it since owning it and I have 3/8 of a tank left. Most of this was highway/interstate...

I'd be interested in them. PM a price when you get a chance. Thanks.

Find a new dealer.

It sucks but unfortunately anything can happen. I know a guy who is a Chevrolet tech and he is replacing lifters, cam, etc. on the AFM 5.3's all the time. Also does a ton of work on new Duramax trucks. As far as a loaner is concerned, the dealer should definitely provide you with one. My local...

Completely normal.

Mine is exactly the same. That's where it should be running those speeds with 3.92's.

85 more HP? The 5.7 is 395 hp/410 lb-ft and the 6.4 is 410 hp/429 lb-ft. 15 more horsepower and 19 more lb-ft of torque.