7.3 psd mpg

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Nov 21, 2007 | 05:04 PM

lilpro

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7.3 psd mpg

Was wondering mpg city and highway for 1999-2002 or 2003 whatever year 7.3 stop. between 35-40 inch tires and also what gear ratios.

Thanks
Michael

Nov 21, 2007 | 06:19 PM

greedy737

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Joined: Sep 2007

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From: Lenhartsville PA

I get around 19 highway and 15 in town, reg. tire size that came with the truck, and standard gearing...

Nov 21, 2007 | 07:06 PM

kawika

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Joined: Sep 2004

Posts: 780

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From: Chicago suburbs

I get between 8 and 16 mpg, depending on if winter blend and short/long trips. 37 inch tires 3.73 ratio.

Dave.

Nov 21, 2007 | 08:04 PM

TwelveAlpha

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Joined: Sep 2006

Posts: 622

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From: Lincoln, NE

11 stock, 11 chipped, 11 modified, and 11 with mods, lift, 35" tires and 456 gears. Call it 11, on average :-)

Nov 21, 2007 | 08:40 PM

RogueSpear2023

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Joined: May 2007

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From: Carlos, MN

I average between 13-15 mpg. Although everybodies terms of city driving are different. I get this around town. The town has a population of 13,000 people.

Nov 21, 2007 | 09:11 PM

pmasley

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Joined: Jul 2005

Posts: 5,967

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From: Eccles, WV

I can get 19 average on the Highway with 305's and 3:73's as long as I keep my foot out of it, under 70 (last trip, travelled 346 miles on 15.2 gallons, filled to neck). Put that foot in it (80+) and it will drop down to 10 to 11. I know that sucks, just cannot resist hearing that turbo spool up and that stroker run. I have not been able to figure out what my stroker gets in the city, but it is one big hog.

Nov 21, 2007 | 09:51 PM

natewoz

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Joined: Feb 2003

Posts: 887

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From: MN

Bone stock worst- nothing but 2-4 mile trips in town 14 mpg, best 19.1- 500 miles at 55-65 mph with 5- 5 mile trips to work and back. All on summer blend fuel.

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Nov 22, 2007 | 01:56 AM

k2vailkid

Senior User

Joined: Jun 2003

Posts: 369

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From: Colorado Mountain Country

My '03 gets 13-15mpg on B100 during the summer, 4" lift on 35" Pro-Comp X-Terrains with all the mods below. I have seen 18-20mpg (pre lift, with my shell, Vail to Las Vegas and back, on 295's with two humans and 200 lbs of luggage for a GVW of 8K.) I believe that the 2K RPM threshold is the key to good(or bad) mileage. Keep it below 2K RPM and minimize full throttle starts, that is the key I think. Each truck is different, that's the general opinion.

-Kevin

Nov 22, 2007 | 08:57 AM

#10

nlemerise

Logistics Pro

Joined: Jun 2005

Posts: 4,243

Likes: 16

From: AZ

1999 CC Dually 4x4 auto...2.35x85x16...4.10..dp-tuner 40hp tow PCM flash

14 city

16 hiway

but trend line (black line in graph below) is still going in the right direction