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Apr 9, 2008 | 06:19 PM

Keith1958f250

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1958f250

Hi i have a 1958 f250 truck and im trying to figure out what gear ratio i have in the rear end now when i look on the identification plate located in the back side of the glove box. under axle it says 06 dont know what that means but i know top speed is 67 mph . Does any one know what 06 means?

Apr 9, 2008 | 07:22 PM

havi

I'll have the Roast Duck

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From: Northshore, MN

According to my info sheet, 06 is a 4.57 gear ratio starting in 1971. What it is before that, I dunno.

Apr 9, 2008 | 07:34 PM

Keith1958f250

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do you think that would be the same for a 1958 truck? thanks

Apr 9, 2008 | 07:55 PM

ibuzzard

See A Man About A Horse

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From: Mariposa, Ca.

Keith,My '59 F250,which has a Dana/Spicer rear-end,had 4.56 ratio,which I just had changed for better economy.There was a metal tag indicating the ratio secured by one of the diff. cover bolts.If yours is like mine,it might be difficult to see with nearly 50 years of hardened grease.Probe/scrape with a screwdriver.Steve.

Apr 9, 2008 | 08:16 PM

Bob at warsaw

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From: Warsaw Texas

Hi Keith
Does it have a tag on the 3rd member it self

Apr 9, 2008 | 08:52 PM

Keith1958f250

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Im not sure ill have to check tomarrow. but i know that my truck is a 3/4 ton with eight lug bolt pattern. Hey what does your says on the identification plate on the reverse side of the glove box door? i know some say 04 and some say 06 which is what mine says. well thats for the info and ill post what i find on my axle tomarrow.