Sadly I don't know , can't be to hard to find out who though

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How long do you think you will have the wheels for sale bud?

I done this exact gear change several year ago
 

I had a 2006 F350 DW I ordered the truck with 4.11 gear...The 5th wheel trailer I had then weighed 13,500...The truck pulled OK however the fuel mileage was 9 when hauling the trailer and 12 when not...So I had the ring and pinions changed to 3.55 WHAT A MISTAKE the truck was a lazy dog afterwards...Sure it got 16 on the HYWY when not hauling the trailer but 8 when hauling the trailer it was horrible...I wished I would have went to 3.73 and not made such a drastic change...When you drive something that weighs 8,000 LBS. fuel mileage should not be an issue...

:nice: exactly right, but still the thought of at least being able to get decent mileage on my rid would be a nice idea. I do not do a lot of hauling right now, so I wouldn't mind the swap

I am hoping with my 7.3 and only pulling a couple hundred miles on weekends to and from the lake, the 355 gear will do me just fine. Because the rest of the time I just roll empty. My barge and trailer weigh out about 3000 lbs.

You should be pretty good then, only real work would be going up those steep grades

All flat around here, it seems the only one having trouble are haulers and smaller engines......

I can't imagine any reason not to do the swap then

I am thinking that , like one of the others said, I will have to change internal
Diferencle also. The ring and pinion is 169.00 not sure on the other. Still
In the checking on stage.

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Mine is a semi float rear....

Don't believe so, I know it wouldn't hurt anything to leave it. But it should not be a requirement to change for it to work

I am talking to a pro at the ford dealer, Monday, then I will get the low down, enjoy ur weekend. O by the way the Vikings predict tomorrow is the end of the world. O well cya