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01-05-2015, 01:56 PM
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#1 |
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Registered User
Join Date: Jan 2014
Location: London Ontario
Posts: 28
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Axle Shaft Interchange
I've measured my 1970 rear end between backing plates and have 57". I pulled a shaft and it measures 31 5/16". So I think I'm safe that it has the later 71-72 rear end. Up to what year axle shafts will fit in this to give me 5 lug? Brake shoes are 2" wide if it makes a difference.
Thanks |
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01-05-2015, 06:41 PM
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#2 |
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Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,189
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Re: Axle Shaft Interchange
65-69 axles are 30 3/4 inches. 70 axles are 31 1/2 inches.
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01-05-2015, 06:54 PM
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#3 |
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Registered User
Join Date: Apr 2011
Location: Mustang, Oklahoma
Posts: 2,806
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Re: Axle Shaft Interchange
Moser says 1970-1981 chevy truck, 31 5/16"
http://http://www.moserengineering.com/axles/gm-axles/chevy-custom-alloy-axles/1970-1981-chevy-c-10-truck/1970-81-gm-truck-2wd-spline-30.html
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Dan <---(my name) 67 SWB C10 project "GEORGIA"-59 Brookwood 2dr wag...Next project-03 Tahoe 4x4 5.3 family ride-07 Hondur Accord, commuter car Last edited by 67c10rustbuket; 01-05-2015 at 06:56 PM. Reason: Fix link |
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01-05-2015, 06:56 PM
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#4 |
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Registered User
Join Date: Jan 2014
Location: London Ontario
Posts: 28
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Re: Axle Shaft Interchange
I'm measuring from outside of flange to the end of the axle and I'm getting the 31 and 5/16"
Have read on the forum that the 57" backing plate to backing plate is the later 71-72, Lefty am I right here? If I am can I use a later year c10 axle say up to 81 ? Thanks |
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01-05-2015, 06:59 PM
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#5 |
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Registered User
Join Date: Jan 2014
Location: London Ontario
Posts: 28
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Re: Axle Shaft Interchange
Thanks Dan you just answered my question so up to 81 axles will work in the wide 1970 for a swap to 5 lug
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01-05-2015, 07:22 PM
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#6 | |
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Registered User
Join Date: Apr 2011
Location: Mustang, Oklahoma
Posts: 2,806
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Re: Axle Shaft Interchange
Quote:
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Dan <---(my name) 67 SWB C10 project "GEORGIA"-59 Brookwood 2dr wag...Next project-03 Tahoe 4x4 5.3 family ride-07 Hondur Accord, commuter car |
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01-13-2015, 07:07 PM
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#7 |
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Registered User
Join Date: Aug 2010
Location: Hoofddorp, the Netherlands
Posts: 582
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Re: Axle Shaft Interchange
I'm actually considering the same swap and someone told me you have to also count the amount of splines on the axle (not counted mine yet,,guessing its 30?)
__________________
Feedback is always welcome! projects: 1969 Chevy C10 1950 GMC 100 1958 Chevy C60 Viking ratrod |
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01-13-2015, 08:43 PM
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#8 |
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Registered User
Join Date: Jan 2014
Location: London Ontario
Posts: 28
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Re: Axle Shaft Interchange
Yes my 31 5/16" are 30 spline.
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01-15-2015, 08:02 PM
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#9 |
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Registered User
Join Date: Aug 2010
Location: Hoofddorp, the Netherlands
Posts: 582
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Re: Axle Shaft Interchange
Hey Paddy a question for you, if you are changing the shafts..will you also change all bearing and stuff, or leave it as is?
__________________
Feedback is always welcome! projects: 1969 Chevy C10 1950 GMC 100 1958 Chevy C60 Viking ratrod |
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01-15-2015, 08:46 PM
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#10 |
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Registered User
Join Date: Jan 2014
Location: London Ontario
Posts: 28
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Re: Axle Shaft Interchange
Steve, I'm changing the bearings and seals when I swap out the shafts. My truck has been sitting since 90. I'd change the seals for sure when you change the shafts
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01-15-2015, 09:23 PM
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#11 |
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Registered User
Join Date: Aug 2010
Location: Hoofddorp, the Netherlands
Posts: 582
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Re: Axle Shaft Interchange
I'll follow your lead ��
__________________
Feedback is always welcome! projects: 1969 Chevy C10 1950 GMC 100 1958 Chevy C60 Viking ratrod |
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