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06-06-2021, 09:38 PM
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#1 |
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Registered User
Join Date: Jan 2021
Location: Vancouver BC
Posts: 12
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Rear differential gear set
Is there a company that makes alternative gear set ratios for the GMC Eaton rear end? Looking for a little more top speed on the highway. Thanks for any advice or info.
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1968 GMC 920 Longbed Original 307 Last edited by airkore65; 06-06-2021 at 09:49 PM. Reason: Image rotation |
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06-06-2021, 10:15 PM
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#2 |
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Senior Member
 
Join Date: Dec 2009
Location: TN.
Posts: 7,811
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Re: Rear differential gear set
There is no company I am aware of.
Here is a Thread 7 pages Full of info on the Eaton. Page 1: https://67-72chevytrucks.com/vboard/...ighlight=eaton Page 7: https://67-72chevytrucks.com/vboard/...t=eaton&page=7 And a flip for ya .
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________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build |
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06-06-2021, 10:29 PM
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#3 |
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Cluster King
Join Date: Nov 2012
Location: Junction City, OR
Posts: 5,263
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Re: Rear differential gear set
As far as I know, only the stock oe gear sets are out there. 4:10 - 5:13 Call me crazy but I love the challenge of finding the Eaton Parts.
Yes I have considered the 14 bolt swap but think the Eaton is a nice old rear diff. Not hard to demand good money for the used 3rd members. The no spins are getting 4-5 hundred. I paid 200 for my 4:10 open . The information is Gold. Thank you.
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Contact me on all of your gauge cluster needs. I specialize in restoration, repair and parts sales for 67-72 Chevy and GMC trucks. email me at tbonegarris@yahoo.com I am also a dealer for Counterpart for gauge cluster parts only. Also see my facebook page, CG&C |
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