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Jan 5, 2012 | 10:06 PM

Vinford

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Cargo Master

Joined: Aug 2004

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From: Williams Lake B.C.

rearend

Is there some way of telling what my rear end ratio is by the serial number?

1999 F-350 dually 4x4

Jan 5, 2012 | 10:37 PM

woodnthings

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Joined: May 2010

Posts: 3,047

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From: Snohomish, WA

Not the VIN, but the sticker on the door jamb.

Use the axle code and use this link I posted on my site. Axles are about 3/4 the way down.

https://4656923915310766587-a-180274...attredirects=0

Jan 5, 2012 | 11:40 PM

Vinford

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Joined: Aug 2004

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From: Williams Lake B.C.

Quote:

Originally Posted by woodnthings

Not the VIN, but the sticker on the door jamb.

Use the axle code and use this link I posted on my site. Axles are about 3/4 the way down.

https://4656923915310766587-a-180274...attredirects=0

Link doesnt work for me?
Does F8 or F2 ring a bell?

Jan 5, 2012 | 11:59 PM

woodnthings

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Joined: May 2010

Posts: 3,047

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From: Snohomish, WA

F2 is 4.10 LS dually axle. I don't see an F8

Jan 6, 2012 | 12:12 PM

Vinford

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Joined: Aug 2004

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From: Williams Lake B.C.

Quote:

Originally Posted by woodnthings

F2 is 4.10 LS dually axle. I don't see an F8

Thanks thats what mine is then the 410

Jan 6, 2012 | 01:09 PM

mtdigger

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Joined: Jun 2010

Posts: 362

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From: middlesex county, nj

I was told (possibly incorrect ?) by the local service dept that all 350 duallys in 99 were fitted with 4.10 Dana 80 series axles, that's what I have...99.5 4x4,cc,drw,long bed