09-29-2009, 08:34 AM
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#2
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Senior Member
Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,377
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Re: Gears, bearing, seals, labor
Quote:
Originally Posted by DANTIP
I am trying to compare ideas to reduce highway RPM and want help determining the cost to change gear sets back to the original 3.08:1 ratio in my 72 C-10. I suspect a PO put 3.73:1 gears onto the original 3-series carrier (because the code on the housing is correct for 3.08:1). If they didn't change the carrier I should be able to change the gear set out and use the existing carrier. I would probably order a complete kit including seals, bearings, gears and install kit. I am hoping to get good ball-park cost estimates to do this two ways. First price is if I do the work myself, and the second price if I have it done professionally. Lastly, if I need a carrier and opt for a new Eaton 3-series posi how much labor would the carrier change add if any?
Thanks!
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Good post...I have the same issue to deal with. It would be interesting to know what mpg difference one might expect between a 3:73 verses a 3:08?
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