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04-11-2007, 04:06 PM
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#1
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Member
Join Date: Oct 2005
Posts: 617
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Starting a pool.......
I started a mpg test of my 6.0 diesel/automatic regular cab 4x4 F350 today. Here are the mods:
235/85 16 tires, broken in about 500 miles, replacing 265/75 16.
Radiator grill block (fabric)
Bed cover (plywood)
Removed spare tire from beneath truck and put in truck bed.
Relocated trailer harness out of airstream.
I'm driving several hundred miles on the highway in the next few days. I plan to obey the speed limits, mostly 65 mph. Just to see who pays attention to my posts, I'll send a crisp $10 bill to the person who guesses my mileage most closely. In case of a tie, the first person to post a guess wins.
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04-11-2007, 04:24 PM
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#2
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meat popsicle
Join Date: Jul 2006
Location: Mojave
Posts: 1,789
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21.2 mpg! 
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Quote:
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Originally Posted by FormulaTwo
I think if i could get that type of FE i would have no problem driving a dildo shaped car.
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04-11-2007, 04:37 PM
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#3
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The Right Lane Rollers!
Join Date: Mar 2007
Posts: 1,274
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19.8 mpg
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04-11-2007, 04:46 PM
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#4
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Ultra Aero Tempo!
Join Date: Sep 2006
Location: Regina Canada (going to school in Winnipeg Canada)
Posts: 672
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65mph in a Ford F-350??? (granted it's a diesel) I'm going to go with 16.8 mpg... so prove me wrong Sludgy!
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04-11-2007, 07:05 PM
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#5
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Baby Killer
Join Date: Mar 2006
Posts: 836
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What will be the shape of the bed cover? Flat, rectangular, or tapered? This makes a huge difference.
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04-11-2007, 07:43 PM
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#6
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Cogito Ergo Soy
Join Date: Oct 2006
Location: Sterling, Massachusetts
Posts: 577
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Quote:
Originally Posted by Sludgy
...In case of a tie, the first person to post a guess wins.
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omgwtfbyobbq is hoping for a tie as he's the "first person to post a guess". He can win if his guess is the closest or he can win if others tie for closest.
We know what you meant to write...
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04-11-2007, 07:52 PM
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#7
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New Member
Join Date: Apr 2007
Posts: 8
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17.6
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04-11-2007, 08:02 PM
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#8
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*shrug*
Join Date: Sep 2005
Posts: 7,406
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18.1
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04-11-2007, 08:03 PM
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#9
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For da Llama!
Join Date: Nov 2006
Location: Bay Area, California
Posts: 581
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17.5
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04-11-2007, 08:05 PM
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#10
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Junior Member
Join Date: Sep 2006
Location: Perkasie PA
Posts: 145
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I go for 18mpg.
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04-11-2007, 08:28 PM
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#11
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Driving on E
Join Date: Sep 2005
Location: Salt Lake City, UT
Posts: 3,993
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15mpg. Is this like The Price is Right where you can't go over?
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04-11-2007, 08:29 PM
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#12
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*shrug*
Join Date: Sep 2005
Posts: 7,406
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I withdraw my guess! I forgot I don't believe in gambling...18.1 is back up for grabs.
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04-11-2007, 08:38 PM
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#13
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Member
Join Date: Sep 2006
Location: Tulsa, OK / Houston, TX
Posts: 180
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19.1 mpg!
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04-11-2007, 08:45 PM
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#14
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Senior Member
Join Date: Oct 2005
Location: Kansas City Area
Posts: 2,379
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18.6
I bid 18.6mpg
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04-11-2007, 08:59 PM
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#15
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Member
Join Date: Dec 2006
Location: Nebraska
Posts: 948
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19.3
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04-11-2007, 09:25 PM
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#16
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granny just passed me
Join Date: Sep 2005
Location: Pittsburgh, PA
Posts: 1,200
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20!
lets see if it can be done.
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2008 EPA adjusted:

Distance traveled by bicycle in 2007= 1,830ish miles
Average commute speed=25mph (yes, that's in a car)
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04-11-2007, 10:06 PM
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#17
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Member
Join Date: Dec 2006
Location: Nebraska
Posts: 948
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OH by the way nice truck. This may make some people cry on this site but i love all the f series truck. My mom drives a new f 150 and i love it. Its really hard to get her or my dad (drives a new accord) to hypermile them tho. anyone know of ways to get them to gradually start hypermileing
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04-12-2007, 07:50 AM
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#18
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The Right Lane Rollers!
Join Date: Mar 2007
Posts: 1,274
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If we could arrange for gas to go up to, say, 2.70 per gallon, maybe they would be motivated. Oh, wait, that already happened...
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04-12-2007, 08:24 AM
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#19
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New Member
Join Date: Jan 2006
Posts: 44
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21.3
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04-12-2007, 09:31 AM
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#20
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Junior Member
Join Date: Dec 2006
Posts: 132
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18.9
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04-12-2007, 09:36 AM
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#21
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Gasmiser
Join Date: Jan 2007
Location: mid michigan
Posts: 378
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Is it a dually? I say 16.5mpg.
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Best tank= 81.23 mpg on july 1st 2008
SAVE SOME GAS, SAVE THE WORLD!
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04-12-2007, 09:55 AM
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#22
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You can't do that!!!
Join Date: Oct 2006
Location: Colorado Rockies
Posts: 507
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22.2 I'm bettin' on Sludgy, not the truck.
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04-12-2007, 02:11 PM
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#23
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Junior Member
Join Date: Jan 2007
Location: Boulder, CO
Posts: 81
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One ton, new engine not broken in, I think it's going to be . . . oh . . . say 16.2 mpg.
Sludgy, when you have the time, drain the front and rear differential fluids (only do the front after you've driven it in 4wd a bit) and replace with synthetic. There's a lot of metal floating around in there from the gears breaking in and you won't believe what comes out, particularly the rear.
Also replace the tranny filter if you haven't already.
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Last edited by northboundtrain : 04-12-2007 at 02:29 PM.
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04-12-2007, 02:52 PM
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#24
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The Right Lane Rollers!
Join Date: Mar 2007
Posts: 1,274
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I'm counting on Sludgy's skill and the skinny tires.
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04-12-2007, 03:05 PM
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#25
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Junior Member
Join Date: Sep 2006
Location: Waterloo ON Canada
Posts: 75
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29.8 picoacres.
(That works out pretty close to 19.5mpg)
Last edited by kps : 04-12-2007 at 04:05 PM.
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04-12-2007, 03:16 PM
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#26
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Member
Join Date: Oct 2005
Posts: 617
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Answers and hints:
The truck bed cover is made from 1/4" luaun plywood; it's flat, not tapered or boxed.
The closest guess is the winner, whether high or low.
The rear wheels are single.
I plan on adjusting the odometer mileage for tire diameter, as published in the Tire Rack tables.
I'm at ~320 miles thus far on this tank. Weather has been mostly good so far, except it sucked today on about 100 miles of the return trip from Holyoke, rainy with strong headwinds. I tucked in behind semis most of the way, but this weather has to have hurt mpg.
I'm making a 100 mile round trip to Haverhill tomorrow in better weather, after which I'll gas up at the same station.
However, I'm using the wife's car to go to NY this weekend, and may not have time to post the results and select the winner until Monday.
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04-12-2007, 03:46 PM
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#27
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Member
Join Date: Oct 2005
Posts: 617
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Quote:
Originally Posted by SVOboy
I withdraw my guess! I forgot I don't believe in gambling...18.1 is back up for grabs.
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This isn't gambling, since YOU didn't bet any money. It's a contest, and you can pick a number!
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04-12-2007, 04:03 PM
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#28
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*shrug*
Join Date: Sep 2005
Posts: 7,406
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Quote:
Originally Posted by Sludgy
This isn't gambling, since YOU didn't bet any money. It's a contest, and you can pick a number!
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The conflict is profiting at the expense of another,  (for me, at least)
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04-12-2007, 04:38 PM
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#29
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The Right Lane Rollers!
Join Date: Mar 2007
Posts: 1,274
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Quote:
Originally Posted by SVOboy
The conflict is profiting at the expense of another,  (for me, at least)
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To me, Sludgy is giving a prize to the winner. I didn't pay to enter or anything like that. He is just being a swell guy and having fun with his new truck.
But, you gotta go with your conscience. I have rules that I put on myself when it comes to drinking that wouldn't make sense to many people, but they are what my conscience requires.
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04-12-2007, 04:51 PM
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#30
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*shrug*
Join Date: Sep 2005
Posts: 7,406
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Who drinks anyway, not me,
I'll go back in for 18.1 with the proceeds going to darfur if I win.
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