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Sludgy 04-11-2007 01:06 PM

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.

omgwtfbyobbq 04-11-2007 01:24 PM

21.2 mpg! :D

Bill in Houston 04-11-2007 01:37 PM

19.8 mpg

Peakster 04-11-2007 01:46 PM

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!

The Toecutter 04-11-2007 04:05 PM

What will be the shape of the bed cover? Flat, rectangular, or tapered? This makes a huge difference.

Lug_Nut 04-11-2007 04:43 PM

Quote:

Originally Posted by Sludgy (Post 47204)
...In case of a tie, the first person to post a guess wins.

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...

GasSavers_Xylene 04-11-2007 04:52 PM

17.6

SVOboy 04-11-2007 05:02 PM

18.1

GasSavers_Red 04-11-2007 05:03 PM

17.5

GasSavers_roadrunner 04-11-2007 05:05 PM

I go for 18mpg.

Matt Timion 04-11-2007 05:28 PM

15mpg. Is this like The Price is Right where you can't go over?

SVOboy 04-11-2007 05:29 PM

I withdraw my guess! I forgot I don't believe in gambling...18.1 is back up for grabs.

kwtorbe 04-11-2007 05:38 PM

19.1 mpg!

rh77 04-11-2007 05:45 PM

18.6
 
I bid 18.6mpg

Hockey4mnhs 04-11-2007 05:59 PM

19.3

kickflipjr 04-11-2007 06:25 PM

20!

lets see if it can be done.

Hockey4mnhs 04-11-2007 07:06 PM

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

Bill in Houston 04-12-2007 04:50 AM

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...

smithenhiven 04-12-2007 05:24 AM

21.3

davidjh72 04-12-2007 06:31 AM

18.9

jwxr7 04-12-2007 06:36 AM

Is it a dually? I say 16.5mpg.

CO ZX2 04-12-2007 06:55 AM

22.2 I'm bettin' on Sludgy, not the truck.

northboundtrain 04-12-2007 11:11 AM

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.

Bill in Houston 04-12-2007 11:52 AM

I'm counting on Sludgy's skill and the skinny tires.

kps 04-12-2007 12:05 PM

29.8 picoacres.

(That works out pretty close to 19.5mpg)

Sludgy 04-12-2007 12:16 PM

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.

Sludgy 04-12-2007 12:46 PM

Quote:

Originally Posted by SVOboy (Post 47247)
I withdraw my guess! I forgot I don't believe in gambling...18.1 is back up for grabs.

This isn't gambling, since YOU didn't bet any money. It's a contest, and you can pick a number!

SVOboy 04-12-2007 01:03 PM

Quote:

Originally Posted by Sludgy (Post 47342)
This isn't gambling, since YOU didn't bet any money. It's a contest, and you can pick a number!

The conflict is profiting at the expense of another, :) (for me, at least)

Bill in Houston 04-12-2007 01:38 PM

Quote:

Originally Posted by SVOboy (Post 47343)
The conflict is profiting at the expense of another, :) (for me, at least)

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.

SVOboy 04-12-2007 01:51 PM

Who drinks anyway, not me, :p

I'll go back in for 18.1 with the proceeds going to darfur if I win.

UfoTofU 04-12-2007 02:33 PM

17

omgwtfbyobbq 04-12-2007 03:05 PM

Quote:

Originally Posted by Lug_Nut (Post 47227)
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...

Haha! If I wanted to win that way, I'd just say my guess was something along the lines of a real number equal to the sum of the function that approaches Sludgy's afore mentioned mileage as the time from this comment approaches Sludgy's announcement of the afore mentioned mileage, mapped to the positive reals. Assuming time isn't quantam. ;)

BumblingB 04-12-2007 07:18 PM

18.5

I used to have a 7.3 IDI dually. My TOP mileage I ever got was 23. That was a freakish ONE TIME thing. It consistantly got 14-15.

rh77 04-12-2007 08:01 PM

E-350
 
Quote:

Originally Posted by Wazabi Owner (Post 47364)
18.5

I used to have a 7.3 IDI dually. My TOP mileage I ever got was 23. That was a freakish ONE TIME thing. It consistantly got 14-15.

Years ago, I put 1000's of inefficient miles on the Ford E-350 Ambulance Conversion Van with the 7.3L non-turbo Navistar Diesel. The Cd had to have been terrible with the extended height and lightbar. Ah, the good old days...

http://pic16.picturetrail.com/VOL698.../245407167.jpg
Unit 113: Second from the front, behind the Bronco.

We would fuel-up at the end of every shift, but FE was rarely calculated. I once did some calcs and figured 14-17 depending on how many emergency calls we had vs. long-distance transfers. Then the turbos came out, right when I moved-on...

RH77

Bill in Houston 04-12-2007 08:08 PM

Quote:

Originally Posted by SVOboy (Post 47349)
I'll go back in for 18.1 with the proceeds going to darfur if I win.

THAT'S the spirit!

rh77 04-12-2007 08:22 PM

1
 
Quote:

Originally Posted by Matt Timion (Post 47245)
15mpg. Is this like The Price is Right where you can't go over?

So, at the very last minute, can I bid 1 mpg, Bob?

The Toecutter 04-12-2007 09:42 PM

20.5 mpg.

BeeUU 04-13-2007 07:08 AM

19.8 mpg. It sounds like you are really trying!!

Bill in Houston 04-13-2007 07:11 AM

BW, I already got 19.8, in case you want to choose something else...

BeeUU 04-13-2007 07:56 AM

Opps
 
Sorry, :o I made a quick look and thought I saw them all,

19.9 then.....if I missed that one let me know.


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