Engine Life Break In

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Mar 4, 2007 | 10:48 PM

Stroked Out!

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Joined: Feb 2007

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Engine Life Break In

Do Psd Engines Get Better After A Certain Mile Range ....i.e. My 03 Has 61000 Miles On It Is The Milage Going To Stay The Same Or Should It Get Better Or Worse?

Mar 4, 2007 | 11:08 PM

Fully_Loaded

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Joined: Oct 2003

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From: Gulf Shores, AL

It should be leveled off by now. Mine with 96000 has leveled off at about 16.5 all around

Mar 4, 2007 | 11:11 PM

Stroked Out!

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I Can Maybe Get Mine To Go 12mpg On The Hwy Thats Why I Asked Any Hints?

Mar 4, 2007 | 11:58 PM

hackwillie

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Joined: Jan 2007

Posts: 66

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From: SW WA St.

I'd say you're at the low end of the spectrum. Is your rig stock? It should definetly be broke in by now.

Mar 5, 2007 | 11:55 AM

Kep4

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Joined: Jan 2005

Posts: 5,491

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From: Northern Arizona

It will help if you're specific about your Super Duty's specifications (4x4, srw/drw, auto,manual, super-cab/crew-cab, etc..), your driving style (in the boost alot, drive around w/boost below 10, etc..), percentage of time on highways and city streets, how fast do you drive on the highway, any mods done, percentage of time towing/hauling, do you use fuel additives, etc.

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