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Jun 15, 2008 | 08:48 PM

trailbay123

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Joined: May 2008

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Need more POWER

Hello all, I have 2001 F- 350 W/ a 7.3l Diesel. All stock. 155,000 miles Automatic, 2WD SRW 3.73 rear. I tow a 2008 30ft. Trail bay V series trailer that weighs 8000 lbs. When i went to get the trailer i got 18 MPG, no trailer, after picking up the trailer, I drove straight home, no water or anything else onboard. I got 8.5 MPG and any kind of a grade up hill made the tranny drop out of over drive @ 1800 RPM to drive or 2700 RPM. is this normal? I would like the truck to stay in OD.

Jun 15, 2008 | 08:55 PM

weekendwarriorfsw32

Master of Strokes

Joined: Mar 2007

Posts: 6,808

Likes: 25

From: CA

You want more power look up 6637 air filter, 4 or 5 inch exhaust, Gauges, and the Dp tuner that should help tons!

Jun 15, 2008 | 09:04 PM

hucka1a

Postmaster

Joined: Oct 2005

Posts: 2,956

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From: Northeast TN

Check out post #18
https://www.ford-trucks.com/forums/5...confusion.html
Hope this helps

Jun 15, 2008 | 09:09 PM

megawatt00

Hotshot

Joined: Jan 2008

Posts: 13,144

Likes: 11

From: Rochdale MA

Welcome to FTE! You can also check out www.7point3.com

Jun 15, 2008 | 09:14 PM

miller_feed

Hook it, I'll pull it.

Joined: May 2007

Posts: 15,037

Likes: 4

From: Grand Lake, La.

Quote:

Originally Posted by megawatt00

Welcome to FTE! You can also check out www.7point3.com

Every day it gets closer.

Jun 15, 2008 | 09:15 PM

big poppa

Post Fiend

Joined: Feb 2008

Posts: 10,977

Likes: 5

From: Lancaster, Pa.

When your pulling that much weight your going to loose mpg,s but what nick and the guys said above, all those will help the truck perform more efficiently. Good luck and welcome to FTE.

Jun 15, 2008 | 09:16 PM

megawatt00

Hotshot

Joined: Jan 2008

Posts: 13,144

Likes: 11

From: Rochdale MA

Quote:

Originally Posted by miller_feed

Every day it gets closer.

Yes it does!

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Jun 16, 2008 | 11:38 AM

UP_There

Lead Driver

Joined: May 2007

Posts: 5,613

Likes: 9

From: Flagstaff, Arizona

If POWER is what you're after......everybody's posts above will have you on track. FYI though......towing in overdrive is a BAD IDEA. Unless you are on flat ground, causing the tranny to downshift under a load causes major heat, and you should manually take it out of overdrive BEFORE it does it under a load. This will also help your mpg's......lugging the truck down in rpm's causes heat in more ways then one! I towed about 5500lbs this weekend and got 12.9 mpg