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need help reading codes on F250 diffs

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Old Oct 31, 2011 | 11:58 PM
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51chris
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need help reading codes on F250 diffs

hi every one just wondering if someone could help me figure out what gear ratio i have in my front and rear axle of my 1992 F250. ihave looked all over the internet and cant find any were that will acually lay it all out what all the numbers and letters mean the just give a few codes but dont tell ya were they all fit in lol so here they are

rear v4280
3L55 10 2 1G26

front
354 (triangle)E8TA 2C
(triangle)61021 1

any help would be great i think ive figured the rear is a 3:55 limited slip but any info is good info the reason im curious is i went o put these rimes and tires on this f250 i just got and the 16.5'' rimes wont fit over the axle tube on the diff like the hole in the rim isnt big enough witch baffled me because i thought all 8 bolt rims fit on 8 bolt axles chev ford or dodge well thanks for any info people have
 
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Old Nov 2, 2011 | 11:53 AM
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You're correct about it being 3.55 limited slip.
The bolt pattern is 8 on 6.5", which is common among Chevy, Dodge, and Ford prior to 1998. However, stock Chevy (and maybe Dodge?) wheels use a smaller center hole than a Ford.
 
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Old Nov 2, 2011 | 12:16 PM
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Both differentials will have the same ratio.

If one was more or less all hell would break loose when 4wd was selected.
 
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Old Nov 2, 2011 | 02:03 PM
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Ya I haven't drove the truck yet and it's kind of had some hack stuff done to it including smaller tires on the front than the rear so I wanted to make sure. Also witch part of the numbers on the front diff tells you the gear ratio
 
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