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They can and they did. Just got off the phone with them and he said "it depends on when and where it was manufactured". (Different engine lots maybe?) I looked again at the service papers and it DOES say that the 5w-40 was put in. It also said "checked for all available computer updates, None...

It's black, it's beautiful and, it is awesome on fuel. I was bragging on the mileage when I first got her to a buddy of mine that is all about Ford 6.0 and 7.3 motors. He said "wow, a Prius/Truck"! I laughed and said, "yeah, but I can do more than a Prius and I am WAY more comfortable!"...

Gotcha. I know you are correct. I am willing but the wife usually is not. I am also known to be "cheap"!!

Rotella T6 Full Synthetic was $21.99 per gallon the last time I priced it at Walmart....

Not trying to hijack the thread and I am soooo glad it worked out for you!! Good information!! Now then, I was talking to a guy who says he works on diesels and told me to be very careful with what I put in my def tank. I saw the prices for the one and 2.5 gallon jugs and decided on my own to...

Fooey!! NOT what I wanted to hear!!! :) Thanks for the info! I hear straight pipe is cheap!! ;)

Anyone ever try one of these...

So, I guess my thoughts of just removing the stock muffler and replacing it with a low restriction muffler is not a reality?

Oh, trust me, I would LOVE to tune it. But for $800 dollars, the GDE tune is out of reach and the $400-500 tuners are out there but........not sure how well they work. On the fence for now but I surely don't want to get stuck with the cost of a new engine. I guess that has me leaning towards...

Personally, I also found decreased mileage in my 08 Jeep Commander gasser. I think part of it is physics. Colder more dense air needs more fuel to keep the air/fuel ratio from being too lean. Likewise, warmer air needs less fuel to keep the ratio correct. I also heard of the "big rigs" and...

WOW!

Sure would like to see a picture of yours!

Oy Vey.......I'm gonna go throw up now. A lady I work with is in the VW muck and mire. She LOVES her VW and gets upwards of 40mpg! She is devastated. I truly hope this does not happen for the ecoDiesel! (Sorry, can't get with calling it ED..makes me think of the "little blue pill" commercials!)...

I did a rough calculation of maintenance on the Commander, changing the oil every 3500 miles and 16 spark plugs on the high tech 4.7L gasser.at 100K miles. I came out a bit ahead on maintenance costs on the Commander but, the fuel costs/usage per 10K miles pushed it very close for me. I have...

Haaahhahaahah!! I do the SAME THING except I use Trip B!! Great minds!! I also see that average 32!! Is that MPG or KPG? Also wondering if the 3.55 gears have anything to do with that. I am wondering what rpm you turn at 75MPH. I am at about 1900 unladen. I CAN'T drive 55!! Hahah!

I am just the opposite! My Wife suggested to lease the RAM since I change vehicles like some people change socks!! Just kidding. I DO get bored with a vehicle long before it is used up. Bought an 00 Chevy Blazer with 57k on it in 05, ran it up to 113K and sold it in 09 when I bought the 08...

How big is your trailer?

Yep. My Son traded his 07 2500 GMC with the 6.0L gasser (7 mpg towing 8800-9000 lb car trailer, 18mpg on its BEST day unladen) on his 08 3500 SRW long bed with the Duramax/Allison combo. This truck is the truck that made me fall in love with diesels! Pulled the trailer I spoke of (14' open...

Same thing for me. The 08 Commander with the 4.7 got as high as 24 highway when new but even with the tuner (103K mi) best it would do was 22. Towing a 14' trailer and 2 ATVs (34-3600 lbs) would do 15 on level ground and drop to 13.2 in the mountains of WV. Talk about punishment, it would sit...

I was the proud owner of a 2008 Jeep Commander with the 4.7 L V8 and a tuner. It treated me well and owed me nothing (103K miles on the odo). My Grandson needed a vehicle in a hurry so, my Wife and I compared notes, sold him the 'Mander and used the $$ he gave us to put the down payment on the...