Rear Diff Ring gear

[Me808garam]

Aloha everyone,was wondering if my 03 2500 CTD has he 11. 5 Ring ger??I have the 4. 10 Ratio. With 1100 miles on her did milage and geting 20. 5 at the pump. Oo. Oo. Oo. Thanks

 

[loncray]

Rear Diff

My understanding is the only CTD's with the smaller 10. 5 are 2500 SO with the auto - I presume the older 47RE. I dunno if the new 48RE comes with the 11. 5 or not. All 3500's and all manual transmission 2500's are supposed to have the 11. 5.

 

[Me808garam]

Re: Rear Diff

Originally posted by loncray

My understanding is the only CTD's with the smaller 10. 5 are 2500 SO with the auto - I presume the older 47RE. I dunno if the new 48RE comes with the 11. 5 or not. All 3500's and all manual transmission 2500's are supposed to have the 11. 5.

Ioncray,Thanks fr the reply... Aloha Ron