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11-16-2013, 06:02 PM
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#1 |
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Registered User
Join Date: Apr 2013
Location: owls head, new york
Posts: 81
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Eaton ho52 or ho72?
Is there a way to distinguish between a 52 & 72? a buddy of mine has a 67 c20 dually originally had a 292 & 4spd. I know it's an eaton, just wondering which it is. What is the differences between them?
Last edited by 62k10&84k20burb; 11-16-2013 at 06:07 PM. Reason: Effin auto correct |
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11-16-2013, 07:10 PM
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#2 |
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20' Daredevil (Ret)
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,596
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Re: Eaton ho52 or ho72?
Pretty sure C20 (as well as K20) came with HO52 only. HO72 was only used on C30 trucks, and had larger brakes.
Also, if a 67-72 pickup had factory rear duals, it was a 30 series and if it had an Eaton, it was an HO72. Then there's the load bolt. All HO72s had it, some HO52s had it but some did not. An Eaton with no load bolt is definitely an HO52. That's all I know without searching. There may be differences in axle size, bearing size, and spline count.
__________________
- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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11-16-2013, 09:28 PM
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#3 |
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Registered User
Join Date: Apr 2013
Location: owls head, new york
Posts: 81
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Re: Eaton ho52 or ho72?
It is a 20 series. Factory dual. And where the hell do I parts???
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11-16-2013, 09:58 PM
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#4 | |
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: Eaton ho52 or ho72?
That is the problem with Eatons, the parts are scarce. Bearing and seals may not be so bad, but brake parts and gears are tough.
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Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right. 
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11-17-2013, 09:20 AM
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#5 |
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Registered User
Join Date: Apr 2013
Location: owls head, new york
Posts: 81
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Re: Eaton ho52 or ho72?
Already found breaks... He wants to regear is. 4.56s and a 4spd... No mileage. And where is this load bolt y'all speak of? And I lied, don't think it's factory dually. Nothing mention in the factory tag. The original owner bought it from the dealership dually. They must have bolted them on or something
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11-17-2013, 11:02 AM
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#6 | |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,596
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Re: Eaton ho52 or ho72?
Quote:
__________________
- Mike - 1972 K20 LWB 350/350/205 RIP El Jay Last edited by Stocker; 11-17-2013 at 11:10 AM. Reason: found a better pic |
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11-17-2013, 06:05 PM
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#7 |
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Registered User
Join Date: Apr 2013
Location: owls head, new york
Posts: 81
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Re: Eaton ho52 or ho72?
Thanks bro
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