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07-11-2021, 11:28 PM
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#1 |
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Registered User
Join Date: Oct 2017
Location: Bowman ND
Posts: 2
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1981 k30 axle question
I have a 1981 k30 dually with 454, turbo 400, Dana 60 front and I think a Dana 70 rear axle. I found out that it has 4:56 gears but I wound rather have 3:73’s. Is it possible to put 3:73 gears on the 4:56 carrier? Is there anything else that I’m overlooking? Or am I better off finding a different set of axles? Thanks for any and all help.
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07-11-2021, 11:55 PM
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#2 |
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Registered User
Join Date: Jul 2011
Location: back 40, bc
Posts: 3,906
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Re: 1981 k30 axle question
i belive the carrier break is the same as a 14b, 4:10 and down and 4:56 and up
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07-12-2021, 12:52 AM
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#3 |
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Senior Member
 Join Date: Mar 2003
Location: Colfax-California
Posts: 8,635
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Re: 1981 k30 axle question
Yup, carrier break for both axles is 4.56.
I'd be interested in the axles if for sale |
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07-12-2021, 07:16 PM
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#4 |
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Registered User
Join Date: Aug 2012
Location: concord ga
Posts: 188
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Re: 1981 k30 axle question
i would leave them alone either gear will still suck up the fuel
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