fuel mileage - Ford Powerstroke Diesel Forum

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post #1 of 12 Old 10-24-2011, 05:03 PM Thread Starter
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fuel mileage

Wondering if what i am getting is too low. Only mods are the foil delete, diy intake, and muffler delete. although i just got the intake done today but without the intake ive gotten about 13.5mpg. I will update after this next fuel tank with the intake but even without the intake is 13.5 too low? This is with no load at all just leisure driving, maybe about 250km highway of the 650km i get to the tank. This is hand calculated by the way.

ALSO original papers from trucks purchase says it has limited slip 3.73 rear-end

2002 F-250 Supercab XLT 4x4 7.3L Diesel
Muffler Delete
Foil Delete
DIY Intake

Last edited by m0823; 10-25-2011 at 04:16 PM.
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post #2 of 12 Old 10-25-2011, 04:13 PM Thread Starter
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any input???????

2002 F-250 Supercab XLT 4x4 7.3L Diesel
Muffler Delete
Foil Delete
DIY Intake
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post #3 of 12 Old 10-25-2011, 06:16 PM
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That's about what I'm getting. I have the 6637 filter and diy intake, turbo back 4" with magnaflow big truck muffler. 13.5 average over 10 tanks, mixed highway (high of 19.5) and city (low of 12.5).
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post #4 of 12 Old 10-25-2011, 11:20 PM
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What size tires? Auto or Manual? are you shifting at or below 2000 rpm? and could have alot to do with the type of driving your doing.....
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post #5 of 12 Old 10-26-2011, 12:06 AM
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that is pretty low thats highway? ive got 6 inch lift 35s w/373s and auto and i get average 13 city and up to 18.5 highway depending on my right foot

Late 99 f250 CC SB
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post #6 of 12 Old 10-26-2011, 02:12 AM
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03 with 285's if i drive like an old man i can get 17-19 hwy 15-16 around town. but thats not fun at all ao i average over several fuel tanks 13-14

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post #7 of 12 Old 10-26-2011, 02:41 AM
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Quote:
Originally Posted by juggy_08@hotmail.com View Post
that is pretty low thats highway? ive got 6 inch lift 35s w/373s and auto and i get average 13 city and up to 18.5 highway depending on my right foot
13.6 city 17.5 to 18 highway 7" 36 x 13.50

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post #8 of 12 Old 10-26-2011, 08:00 AM Thread Starter
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Quote:
Originally Posted by juggy_08@hotmail.com View Post
that is pretty low thats highway? ive got 6 inch lift 35s w/373s and auto and i get average 13 city and up to 18.5 highway depending on my right foot
i get the 13.5 as an average over the entire fuel tank with maybe a 1/3 of the driving highway

2002 F-250 Supercab XLT 4x4 7.3L Diesel
Muffler Delete
Foil Delete
DIY Intake
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post #9 of 12 Old 10-26-2011, 08:01 AM Thread Starter
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Quote:
Originally Posted by Ranger87 View Post
What size tires? Auto or Manual? are you shifting at or below 2000 rpm? and could have alot to do with the type of driving your doing.....
Tires are stock 265/75/16, Automatic, andi cant say that the rpms are always under 2000

2002 F-250 Supercab XLT 4x4 7.3L Diesel
Muffler Delete
Foil Delete
DIY Intake
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post #10 of 12 Old 10-26-2011, 08:03 AM
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No lift, no big tires, (auto doesnt help)... Yea its a BIT low. You dont want to know what my 7.3 got. It will make ya sick....

Colin
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