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08-14-2014, 05:40 AM
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#1 |
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Registered User
Join Date: Aug 2014
Location: Rio Rancho New Mexico
Posts: 1
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1972 C20 Ho52 Rearend
I'd like to know if anyone knows if there's a direct replacement for my HO52 rear differential on my 3/4 1972 C20. It looks like the GM 14bolt came out in '73 and Dana 60s were used as well. From what I've read the HO52s are outdated and parts aren't available such as gears and lockars. Can anyone help?
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08-14-2014, 05:50 AM
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#2 |
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Registered User
 
Join Date: Apr 2012
Location: Lehi,Utah
Posts: 1,330
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Re: 1972 C20 Ho52 Rearend
I pulled the HO52 out of my 72 C20 coil spring truck and replaced with a dana 60 to get the 3.54 gears. I found out that 71-72 used a larger wheel stud and had to find a set of hubs off of a 71 and drill the drums out for the larger studs. I also had to shorten my driveline.
Paul |
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08-14-2014, 06:09 AM
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#3 |
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Recovering Truck Driver
Join Date: Mar 2002
Location: Orleans, NE USA
Posts: 1,883
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Re: 1972 C20 Ho52 Rearend
I think both the Dana 60 and the Eaton were used, so the Dana 60 should be a viable option.
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67 K-20 350, SM465, Eaton rear, 4.56 no spin option 00 Dodge 2500 4x4, 24V cummins, 5 speed Chad South Central Nebraska |
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08-14-2014, 04:41 PM
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#4 |
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Registered User
Join Date: Nov 2012
Location: Tacoma, WA
Posts: 133
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Re: 1972 C20 Ho52 Rearend
Just recently i had to source all the breaks and bearings for my HO52....it took me a while to source everything.. Considered doing a swap ..but waiting on parts to arrive was a better option for me than modifying drive lines and stuff.. .
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08-14-2014, 04:54 PM
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#5 |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,728
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Re: 1972 C20 Ho52 Rearend
strangeworld (OP) welcome to the board. Yes, some parts are hard to find for your HO52, but just case it's in good working order, and unless you really want taller gears or a limited-slip, don't be too quick to change it out. Those things are extremely tough & durable.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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08-14-2014, 09:40 PM
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#6 |
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Carpe manana
  
Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,449
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Re: 1972 C20 Ho52 Rearend
No problem having the HO52 in my 72 K20 rebuilt (in Albuquerque) and glad I didn't swap it for another. NoSPIN carriers can be located...
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308  Members met: ORANGBLAZ, 2003 silverado, MikeCofield, BB72CHEVKT, Duncan&Son, Sameyrasmea72, THENEWMEXICAN, HotRod C/10, brianthelion02, Sport/Truck, ryanroo, michael bustamante, Dirt's72, Already Gone, WestButteTruck, 57taskforce, Moreyel, painterljp, AASmedic, SoCoC10, Lumaestas, carbuff382, Chevyland
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08-14-2014, 10:02 PM
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#7 |
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Moderator
 
Join Date: May 2007
Location: Southern Cal
Posts: 20,036
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Re: 1972 C20 Ho52 Rearend
If it's in good working order I'd just leave it alone. The Dana 60 is a very durable rear end as well, lots of rock crawlers swap them into Jeeps.
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man RIP FleetsidePaul |
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