Who has a diesel and whats your mpg? - Page 2

fordman00 · 07-13-2011, 05:10 PM

Looks like he has a tuner.and from what I've gathered here and there check for boost leaks,stay close to stock tire size, intake may help a little, and regular fluid changes and filter changes.

hotrod · 07-13-2011, 05:41 PM

Quote:

Originally Posted by bc35339

My 02 duramax is stock with 128,000 miles on it and I only get 13.5 to 14.5 mpg. How much do I need to spend and what do I need to buy to get 24 mpg?

Thats really low, LB7s are one of the most fuel efficient light duty diesels on the market. Have you had your injectors replaced? Notice any excessive black smoke on exceleration? LB7s are known for their injector problems that rob fuel economy and eventually blow holes in pistons. :mad: Mine is a reg cab long bed with 4" exhaust, no muffler. Its tuned with EFI Live on a dsp5 switch. I have a 'stock', 'econ', 'tow', 'street', and 'race' tunes on mine. The switch was $40 from http://duramaxtuner.com/dsp5 and a friend of mine writes EFI live tunes so he hooked me up big time.

I could see what he would charge if interested.

mike shelton · 07-13-2011, 05:45 PM

yea, i seen on the tube on a show where they done a ttdc with ford , chevy and dodge and one guy with a duramax got 36.8 i think it was. reg cab 4x4. gabby

hotrod · 07-13-2011, 05:51 PM

Quote:

Originally Posted by mike shelton

yea, i seen on the tube on a show where they done a ttdc with ford , chevy and dodge and one guy with a duramax got 36.8 i think it was. reg cab 4x4. gabby

holy sheet 36.8 mpg

i have a hard time buying that but not saying its impossible. (NOT calling you a liar either

)

bc35339 · 07-13-2011, 07:36 PM

Quote:

Originally Posted by hotrod

Thats really low, LB7s are one of the most fuel efficient light duty diesels on the market. Have you had your injectors replaced? Notice any excessive black smoke on exceleration? LB7s are known for their injector problems that rob fuel economy and eventually blow holes in pistons. :mad: Mine is a reg cab long bed with 4" exhaust, no muffler. Its tuned with EFI Live on a dsp5 switch. I have a 'stock', 'econ', 'tow', 'street', and 'race' tunes on mine. The switch was $40 from http://duramaxtuner.com/dsp5 and a friend of mine writes EFI live tunes so he hooked me up big time.

I could see what he would charge if interested.

mine is a 02 crewcab 4x4 auto. no lift with bfg tires, not sure what size but I will check. They look close to stock. When I bought the truck I took it to a shop and they said the injectors were fine. that was 10,000 miles ago. I was told if they were bad it would smoke at a idle. Mine dont smoke when idling and only slight smoke at full throttle. I have heard that 13.5 was normal for my truck and some people say they get 20+. Id be happy with 19-20 mpg.

mckeddie · 07-13-2011, 09:21 PM

Also, another thing to consider is what gears you are runnin? Mine has 4.10's and honestly for what I use the truck for, and with the granny low in the 6 speed, I've conddred dropping to a 3.73 or 3.55. I have so over the road hauled friends that run a taller gear strictly for the milage. They say with the granny low, the 4.10's are pointless. I know im revving at around 2200 rpm's down the highway at 70.

hotrod · 07-13-2011, 09:37 PM

Quote:

Originally Posted by bc35339

mine is a 02 crewcab 4x4 auto. no lift with bfg tires, not sure what size but I will check. They look close to stock. When I bought the truck I took it to a shop and they said the injectors were fine. that was 10,000 miles ago. I was told if they were bad it would smoke at a idle. Mine dont smoke when idling and only slight smoke at full throttle. I have heard that 13.5 was normal for my truck and some people say they get 20+. Id be happy with 19-20 mpg.

Stock tires are 265 75r16s, checked your air filter recently? sounds dumb but give it a check also i really can recomend a 4" back exhaust system.
mine is 4x4 auto getting ready to be lowered 2" all around with 285 60r18 nitto terra grapplers.

fordman00 · 07-13-2011, 10:17 PM

My tire sizes 30575r16 I believe.

kkoepper · 07-14-2011, 02:46 AM

I've got a late '99 2wd F250supercab. It gets 15mpg pulling a 9000 lb. trailer/truck combo. Don't know what it gets by itself, only use it to pull. I've thought about getting a TS chip, but lots of other stuff to spend $ on before that.

mike shelton · 07-14-2011, 05:59 AM

Quote:

Originally Posted by hotrod

holy sheet 36.8 mpg

i have a hard time buying that but not saying its impossible. (NOT calling you a liar either

)

i know, i don,t buy it. but that what they said in the top truck diesel challenge. (ttdc)

Mudstud · 07-16-2011, 09:15 AM

All of you are doing better than my 08 F350 dulley. Ran from Cleveland to Hamilton yesterday pulling a 12 ft. box that was empty. I got 11.2 mpg running 65 mph. Pulled my 20' box last weekend with my Wrangler in it. I got 9.7 mpg at 200 miles round trip. At 4.00 a gallon this thing is killing me!!!!:mad:

Trigger · 07-16-2011, 09:39 AM

I've got a 06 with a 6.0 (yeah, I know) and a SCT tuner on the performance setting. Around town, I get around 16, on the highway, I can get around 19 if I set the cruise and not get in a hurry. On the 65 hp tow setting, I get around 13 or 14 depending on terrain. That's hauling a deckover with a Jeep on it.

4wdOwnage · 07-16-2011, 10:38 AM

I use an '02 van with a 5.7, a quad in the van, pulling my 28' toy hauler full with a tracker and 2 quads only get like 6-7mpg

I think it needs a tuneup and that's horrible mileage, but I guess if I'm only gonna be getting 12-14mpg anyays with a diesel then I guess I should just be happy i'm not making payments on one

Hope Springs Hauler · 07-16-2011, 11:15 AM

Quote:

Originally Posted by Mudstud

All of you are doing better than my 08 F350 dulley. Ran from Cleveland to Hamilton yesterday pulling a 12 ft. box that was empty. I got 11.2 mpg running 65 mph. Pulled my 20' box last weekend with my Wrangler in it. I got 9.7 mpg at 200 miles round trip. At 4.00 a gallon this thing is killing me!!!!:mad:

You can improve on that, but I would wait until you get closer to the end of your warranty.

hotrod · 07-16-2011, 12:15 PM

Quote:

Originally Posted by Mudstud

All of you are doing better than my 08 F350 dulley. Ran from Cleveland to Hamilton yesterday pulling a 12 ft. box that was empty. I got 11.2 mpg running 65 mph. Pulled my 20' box last weekend with my Wrangler in it. I got 9.7 mpg at 200 miles round trip. At 4.00 a gallon this thing is killing me!!!!:mad:

DPF DELETE!! gain gobs of performance and mpg! Trust me, after the DPF is gone, you wont look back.

8UP · 07-16-2011, 12:59 PM

Quote:

Originally Posted by Trigger

I've got a 06 with a 6.0 (yeah, I know) and a SCT tuner on the performance setting. Around town, I get around 16, on the highway, I can get around 19 if I set the cruise and not get in a hurry. On the 65 hp tow setting, I get around 13 or 14 depending on terrain. That's hauling a deckover with a Jeep on it.

I thought you sold your truck, I saw what I thought was yours on a Dealer Ad in your area.
I've got the same truck, do you still have the original heads, gaskets , studs etc.? I get ~ 14-15 unloaded and 10-12 towing 7K.

Trigger · 07-16-2011, 06:49 PM

Quote:

Originally Posted by 8UP

I thought you sold your truck, I saw what I thought was yours on a Dealer Ad in your area.
I've got the same truck, do you still have the original heads, gaskets , studs etc.? I get ~ 14-15 unloaded and 10-12 towing 7K.

I had it for sale and a kid told me he'd take it then backed out. Since then, I bought another crawler and trailer, so it's sticking around for a while. It's completely stock with the original heads, studs, gaskets, etc. I talked to the guys at SCT before I bought the tuner and was told that it would be safe as long as I stayed out of it. I have a pyro gauge and it never goes above 1200. I'm sure it won't last forever, but I treat it pretty nicely.

8UP · 07-17-2011, 09:36 AM

Thats good to hear, Thanks.

fordman00 · 07-18-2011, 08:19 AM

Wow it's amazing what an air filter and fuel filter do.I can tell it's not sluggish and it's got more gitty up.

itbrokeagain · 08-04-2011, 02:38 PM

My 2000 F-250 with a 5.4 and 275,000 miles gets around 10 towing my Heep. It is all stock except for the utility bed.

07-13-2011, 09:21 PM	#31
mckeddie Join Date: Apr 2007 Location: van wert oh Posts: 583	Also, another thing to consider is what gears you are runnin? Mine has 4.10's and honestly for what I use the truck for, and with the granny low in the 6 speed, I've conddred dropping to a 3.73 or 3.55. I have so over the road hauled friends that run a taller gear strictly for the milage. They say with the granny low, the 4.10's are pointless. I know im revving at around 2200 rpm's down the highway at 70. __________________ zuk buggy.....it'll be a jeep eventually.

07-16-2011, 09:15 AM	#36
Mudstud Treasurer Join Date: Jan 2007 Location: Trenton, Ohio Posts: 126 Images: 9	All of you are doing better than my 08 F350 dulley. Ran from Cleveland to Hamilton yesterday pulling a 12 ft. box that was empty. I got 11.2 mpg running 65 mph. Pulled my 20' box last weekend with my Wrangler in it. I got 9.7 mpg at 200 miles round trip. At 4.00 a gallon this thing is killing me!!!!:mad: __________________

07-16-2011, 10:38 AM	#38
4wdOwnage Join Date: Mar 2011 Location: Greenville, Ohio Posts: 22	I use an '02 van with a 5.7, a quad in the van, pulling my 28' toy hauler full with a tracker and 2 quads only get like 6-7mpg I think it needs a tuneup and that's horrible mileage, but I guess if I'm only gonna be getting 12-14mpg anyays with a diesel then I guess I should just be happy i'm not making payments on one __________________ 91 Geota Exo'd on 35" Tractors etc. 06 Rhino 660 SE Courageous Offroad Ministries http://www.facebook.com/#!/pages/Cou...27565957345163

08-04-2011, 02:38 PM	#45
itbrokeagain Just Empty Every Pocket - CORE Member - Join Date: Feb 2007 Location: Amelia Posts: 1,435	My 2000 F-250 with a 5.4 and 275,000 miles gets around 10 towing my Heep. It is all stock except for the utility bed. __________________ 91 fj 80 on 37 Nitto Muds with a 10k winch. Cage and sliders coming soon.

07-13-2011, 05:10 PM	#26
fordman00 Join Date: Sep 2008 Posts: 433	Looks like he has a tuner.and from what I've gathered here and there check for boost leaks,stay close to stock tire size, intake may help a little, and regular fluid changes and filter changes.

07-13-2011, 05:45 PM	#28
mike shelton Join Date: Jan 2007 Location: waco ky Posts: 211	yea, i seen on the tube on a show where they done a ttdc with ford , chevy and dodge and one guy with a duramax got 36.8 i think it was. reg cab 4x4. gabby

07-13-2011, 10:17 PM	#33
fordman00 Join Date: Sep 2008 Posts: 433	My tire sizes 30575r16 I believe.

07-14-2011, 02:46 AM	#34
kkoepper Join Date: May 2011 Location: Franklin, IN Posts: 47	I've got a late '99 2wd F250supercab. It gets 15mpg pulling a 9000 lb. trailer/truck combo. Don't know what it gets by itself, only use it to pull. I've thought about getting a TS chip, but lots of other stuff to spend $ on before that.

07-16-2011, 09:39 AM	#37
Trigger Join Date: Mar 2007 Location: Xenia, OH Posts: 281	I've got a 06 with a 6.0 (yeah, I know) and a SCT tuner on the performance setting. Around town, I get around 16, on the highway, I can get around 19 if I set the cruise and not get in a hurry. On the 65 hp tow setting, I get around 13 or 14 depending on terrain. That's hauling a deckover with a Jeep on it.

07-17-2011, 09:36 AM	#43
8UP Join Date: Oct 2008 Location: 1 Posts: 92	Thats good to hear, Thanks.

07-18-2011, 08:19 AM	#44
fordman00 Join Date: Sep 2008 Posts: 433	Wow it's amazing what an air filter and fuel filter do.I can tell it's not sluggish and it's got more gitty up.