Ring and pinion gear upgrade

[Chuck6669]

I recently lifted my truck and put some 37x13.50 Toyo's on it. I would like to change my gears from the stock 3.73 to 4.30 to help with mileage and towing. I have already noticed a significant drop in mileage with this setup.

I would like to do the swap myself but not exactly sure of all the steps involved to disassemble the differential and part needed for the job ie: new pinion gear bearing? applicable seals? Which brand of ring and pinion is best? The ones I have looked at are Richmond, Yukon and Motive. For those of you who have already done this upgrade did it bring your rpm's and mph back to where they should be.

Anyway I am looking for info on how to do the gear swap properly. I know a lot of people have changed their gears after lifting their truck and putting some bigger tires on. I will be looking forward to everyones suggestions. Thanks guys

[Chuck6669]

Oh yeah this is for a E99 F 250 SRW.

Also I have noticed for the rear most manufactures use 10.25 rings instead of the stock 10.50, just have to use a 10.25 pinion gear bearing. Who makes a 4.30 gear set for the 10.50 rear end? Or does it really matter whether its a 10.25 or 10.50?

[Chuck6669]

Did I put this thread in the wrong forum? Doesnt seem to sparking very much interest. If anybody has info on how to change out the ring and pinion gears I would really appreciate the help. :

[DeuceFifty]

yukon gears are great. i dont have experience with the others. 430sare the right way togo. for the install unless you are pretty good with awrench pay someone todo it. the setup must be perfect and the tools arent cheap. you will probably come out ahead. if you do install yourself then use genuines which come with a lifetime no questions warranty.