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Chevy Silverado and GMC Sierra Duramax Fuel Mileage

490 messages,  Last post on Oct 09, 2009 at 6:05 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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#475 of 490 Re: 2007 duramax [bama13] by jbull454GMC May 21, 2009 (6:22 pm)
Replying to: bama13 (May 21, 2009 4:48 pm) Two questions for you. First, what was the temp outsided? Also, how much fuel was in the tank? Plus, there could have been water in the fuel too.
#476 of 490 Duramax fuel economy by jbull454GMC May 31, 2009 (6:19 pm)
Okay, back to this. I have an 08 GMC 2500HD with the dreaded DPF on it. I have recently put Mobile 1 in my truck for oil. I have also filled the tank with B5 biodiesel with Lucas fuel additive. I have noticed before with biodiesel I have better power and economy. I was not expecting the improvement I got with all of the above. I have gone from an average of 15.4 to 18.6 mpg. Its got me wondering how well it does when I switch to Amsoil which is my prime directive soon. I know one thing for sure. I'm not complaining with the price of fuel creeping up again. Any further thoughts on this by all means let us all know!
#477 of 490 0 to 60 by ozzynmax Jun 02, 2009 (12:37 pm)
how many feet dose it take to hit 60mph in 05 duramax 2500
#478 of 490 0-60 by ozzynmax Jun 02, 2009 (12:49 pm)
basically im trying to find out some info on mph per feet a chp said i was clocked at 57 mph within 300 to 400 feet id like some info that would help me fight this ticket
#479 of 490 0-60 by ozzynmax Jun 02, 2009 (12:52 pm)
is there any printed articles with proof of 0-60 times on a 2005 chevy duramax diesel 2500
#480 of 490 Get a lawyer by jerrydock Jun 03, 2009 (3:33 am)
Stop wasting your time trying to defend yourself and hire a good lawyer. They are worth the money...22 citations...no convictions here.
#481 of 490 On the 0-60 by jbull454GMC Jun 03, 2009 (2:30 pm)
Ozzy, I'd have to agree with Jerry. Get a good laywer, and in addition get a good fuzz buster. I'm waiting to see a Duramax powered police pursuit vehicle. The only time it would be funny is when there is a high speed chase with a sports car and they get run down by an oil burner.
#482 of 490 Re: low fuel rail pressure [jodie1614] by unionman1 Jun 13, 2009 (11:34 am)
Replying to: jodie1614 (Apr 26, 2009 4:43 pm) More that likely you need to change your fuel filter. You might want to increase the blend of diesel vs. oil. I have an 2003 and ran home brew bio the whole time diesel fuel was above $3.00. The fuel filter was the only problem I had.
#483 of 490 Bad mileage on a 2005 by boomd Jul 02, 2009 (8:50 pm)
For some reason I am getting crap for mileage on this 05 silverado 2500.......1500 to the gallon. My last 2500 (an 04) I had, I was getting on the hiway anywhere from 22 to 28! I have bought both used, and I don't know if the 04 was chipped or not, but she was a runner. Any suggestions for the 05. Econ shows 15.5 at 1800 rpm's on the hiway.   Thanks folks,   Boomer Replies to this message: jbull454GMC (Jul 03, 2009 1:10 pm) jerrydock (Jul 05, 2009 3:41 am) boomd (Jul 05, 2009 8:06 pm) boomd (Jul 05, 2009 8:00 pm)
#484 of 490 Re: Bad mileage on a 2005 [boomd] by jbull454GMC Jul 03, 2009 (1:10 pm)
Replying to: boomd (Jul 02, 2009 8:50 pm) How many miles are on the truck? It may have an injector or turbo problem. Most likely if anything injectors. Replies to this message: jerrydock (Jul 05, 2009 3:41 am) boomd (Jul 05, 2009 8:06 pm) boomd (Jul 05, 2009 8:00 pm)

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