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Chevy Silverado and GMC Sierra Duramax Fuel Mileage

505 messages,  Last post on Nov 28, 2009 at 11:02 AM

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What is this discussion about? Chevrolet Silverado 2500HD, Chevrolet Silverado 3500, GMC Sierra 2500HD, GMC Sierra 3500, Diesel, Fuel Efficiency (MPG), Truck

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#99 of 505 Great Truck by monteboy1 Sep 30, 2005 (9:44 am)
I have a 2002 2500 HD ext. cab and was wondering what common fuel mileage is? I have had an all time best at 25.4.miles to the gallon on the highway. I love the quietness of the Duramax too. Towing I have had an all time best of 17 MPG with a 6,000 pound enclosed snowmobile trailer. Just wondering how many more trucks are like this? Replies to this message: stoneg (Oct 02, 2005 5:55 pm) series60 (Oct 02, 2005 7:26 pm)
#100 of 505 Love my DM 2500HD 4x4 Crew Cab....Hate my MPG! by stoneg Oct 02, 2005 (5:48 pm)
Replying to: aarongd (Sep 29, 2005 6:07 pm) As for the ride...night and day. However, my mpg are at 10.5 today...I'll be hunting up some acetone tomorrow. About 5 ounces for a 26 gallon tank? I just ordered the Edge Juice with Attitude (will be using level 1 for better mpg's, but level 3 or 4 to embarrass these kids with "tuners?" from time to time) and it will be here in about 2 weeks, and will report on its efects.
#101 of 505 Re: Great Truck [monteboy1] by stoneg Oct 02, 2005 (5:55 pm)
Replying to: monteboy1 (Sep 30, 2005 9:44 am) WOW, you must only drive WITH the wind. I couldn't get 25 mpg if I was chained to the back of an 18 wheeler!!! Some of us are getting 10 city, and 14-15 Hwy. Damn your lucky.
#102 of 505 Edge Attitude Monitor Mount by stoneg Oct 02, 2005 (6:01 pm)
Has anyone found a way, other than the piller, to mount the Edge Attitude Monitor on a 2005 GMC? My friend has an 02 and found a billit console cover mount for it on Ebay, but the overhead console in his truck had a larger opening in it than mine. I saw another overhead mount on Ebay for about $45 + $15 shipping, that says it fits all makes, but want to know if anyone has tried it or other products. I dont like the piller mount, and prefer not to drill holes on the dash to mount it. Replies to this message: stoneg (Oct 07, 2005 6:14 am)
#103 of 505 DURAMAX THROTTLE RESPONSE by series60 Oct 02, 2005 (7:15 pm)
I have a question for all ya's, I own a '05 silverado with a duramax. The problem that I am experiencing is that from time to time especially when I am in the throttle passing someone the engine would die down and won't go over 2000 rpm. I acts like when the fuel would start to gel in the winter. Then I would have to get totally out of the throttle and wait a couple of seconds and then usually it would go back to normal but not all the time. I put a scanner on it and the are no DTC's in the ecm. Did anyone have this problem before? I am thinking that it might be emission related but not sure. If anyone has any input please let me know. THANKS!! Replies to this message: aarongd (Oct 27, 2005 12:30 pm) aarongd (Oct 31, 2005 3:26 pm)
#104 of 505 Re: Great Truck [monteboy1] by series60 Oct 02, 2005 (7:26 pm)
Replying to: monteboy1 (Sep 30, 2005 9:44 am) Your lucky!!! my '05 is lucky to see 15.6 highway and I rarely get in the throttle.
#106 of 505 Re: Edge Attitude Monitor Mount [stoneg] by stoneg Oct 07, 2005 (6:14 am)
Replying to: stoneg (Oct 02, 2005 6:01 pm) I purchased the black molded plastic mount that says it fits all GMC's, Chevy's, Fords, and Dodges. It doesnt fit, althought it may be due to the sunroof option.
#107 of 505 Sunroof Option on a 2005 2500HD by stoneg Oct 07, 2005 (6:16 am)
Is there a difference in the overhead console on the 2005 2500HD with the sunroof option and ones without??? Aren't they the same size? Replies to this message: stoneg (Oct 23, 2005 5:21 am)
#108 of 505 Re: Love my 2003 DM 2500 HD 4x4 Crew Cab [aarongd] by stoneg Oct 07, 2005 (6:25 am)
Replying to: aarongd (Sep 29, 2005 6:07 pm) I put about 5 oz. in my 26 gallon tank, and I picked up about 1 mpg, but I just installed the Edge Juice programmer, and put in on level 3...picked up 1.7 mpg, and 75 HP!!! I was getting over 2 mpg better, but when you have an extra 75 HP, its hard not to use it. I spoke to the owner of a Diesel specialty shop, and he has never heard of using the Acetone, but is now researching it. He is also skeptical of using biodiesel, saying that nobody knows the long term effect on the engine. Any comments on biodiesel? Also, I think I found out why my mpg suck so bad, 4.10 gears, instead of the 3.73 Replies to this message: series60 (Oct 07, 2005 6:44 pm) stoneg (Oct 10, 2005 7:57 am) franks71vw (Dec 12, 2005 10:24 am)

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