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#1 |
BlahBlahBlah
Join Date: Feb 2002
Location: Wa.
Posts: 19,866
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Rear end identification
I'm not up on 3/4 ton stuff and for the life of me I do not remember where I got this from.
It was hiding by a boat I'm giving to a buddy. Cleaning out the barn and bunker, I'm finding so much stuff I've forgotten I had it's just stupid.
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#2 |
Registered User
Join Date: Nov 2014
Location: Bigfork, Montana
Posts: 1,137
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Re: Rear end identification
Looks like an Eaton HO 52 or 72
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#3 |
20' Daredevil (Ret)
![]() Join Date: May 2003
Location: Jefferson State
Posts: 13,628
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Re: Rear end identification
^^ x2
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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#4 |
BlahBlahBlah
Join Date: Feb 2002
Location: Wa.
Posts: 19,866
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Re: Rear end identification
I wonder if that was under my old 68 K20? Would that make sense?
Does it have any value, or is it scrap?
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#5 |
20' Daredevil (Ret)
![]() Join Date: May 2003
Location: Jefferson State
Posts: 13,628
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Re: Rear end identification
That would make perfect sense, Mark. A few things for them can be hard to find... Brake drums & gearsets, iirc, and there are no tall gear ratios for high speed highway running. For that, you'd need an overdrive trans. Some guys prefer to swap them out for more common diffs with more ratios available. Bearings, seals, & most brake parts are readily available. They have a bit more ground clearance than most other diffs, and best of all they are tough as nails, damn near unbreakable. No clue what they might be worth but I would think there are buyers out there.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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#6 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: Rear end identification
Looks to be an HO72 dual wheel, drums anyway. How wide is it. Looks too wide for a cab & chassis rear. If you are talking about your GMC you got from Livrat, that would have come with a Dana60. Yes it has value. As mentioned above parts are getting hard to find, so good for parts even if no one wants it to install. There will always be people wanting to keep a truck original. And, these rears, if kept lubed, will last forever. If one breaks its due to lack of maintenance, such as not replacing a leaking seal or contaminated gear lube. Also, check to see if it's a No-Spin. That is wprth more than a 14-bolt rear.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ Last edited by special-K; 09-18-2017 at 07:01 AM. |
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#7 |
BlahBlahBlah
Join Date: Feb 2002
Location: Wa.
Posts: 19,866
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Re: Rear end identification
Not from Livrat. I'm thinking its from a 68 K20 I got many years ago.
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#8 |
Registered User
Join Date: Dec 2009
Location: bisbee, arizona
Posts: 1,529
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Re: Rear end identification
its looks like an ho rear , the drums look like standard brake drums which means its a 52 or 57.
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#9 |
BlahBlahBlah
Join Date: Feb 2002
Location: Wa.
Posts: 19,866
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Re: Rear end identification
Well it doesn't sound like it has any sort of great value so it will go when I finish the scrapper pile.
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#10 | |
20' Daredevil (Ret)
![]() Join Date: May 2003
Location: Jefferson State
Posts: 13,628
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Re: Rear end identification
Quote:
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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#11 |
BlahBlahBlah
Join Date: Feb 2002
Location: Wa.
Posts: 19,866
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Re: Rear end identification
I guess I better scare up a couple of jackstands =)
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#12 |
BlahBlahBlah
Join Date: Feb 2002
Location: Wa.
Posts: 19,866
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Re: Rear end identification
Put it up on stands and spun. One goes forward the other goes backwards.
Took off the cover and snapped a pic of the numbers on case anyone was curious.
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#13 |
Registered User
Join Date: Sep 2017
Location: Shacklefords, VA
Posts: 21
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Re: Rear end identification
It breaks my heart hearing someone is going to throw away an Eaton HO... A little piece of me just died. Give it to someone that can use it please, those are god's gift to rear ends. If only you weren't 7 days away... Lol
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#14 | |
BlahBlahBlah
Join Date: Feb 2002
Location: Wa.
Posts: 19,866
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Re: Rear end identification
Quote:
Honestly if anyone local wants it they can have it. I'm not delivering or shipping or anything else that might give me a hernia.
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#15 |
Registered User
Join Date: Mar 2007
Location: San Pedro River, SE Arizona
Posts: 734
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Re: Rear end identification
That is a great rear end - am running 4 of them right now and never will wear them out. Had one under my 72 C30 MoHome and it went well over 200k and was just fine going down the Interstate at 65 - with 4 speed just a bit over 2300rpm. Installed a temp sender through the drain plug - on the hottest AZ road the oil temp was never over about 120 on the gauge. The only thing I have to watch is for leaking seals (what a mess) - have replaced two or three over the years.
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CCCC 67 Sting Ray Coupe 327 4sp; 68 K10 Suburban 327 4sp; 69 K20 Lifted 383 4sp; 69 C80 Fire Truck 478 V6 5sp/2sp; 69 C20 Longhorn 327 4sp; 70 C30 Wrecker 350 4sp; 70 C30 Flat Bed 350 4sp; 71 C20 LWB 350 4sp; 72 K5 Blazer 350 4sp; 72 C30 Flat Bed Gooseneck Hauler with sleeper 350/TH400; 72 C20 Longhorn 402 4sp; 52 Mack LTL Supercharged Cummins 5sp x 3sp; 01 Dodge 5.9 HO Cummins 6spd; 02 Safari Trek 2430 8.1 Vortec on Workhorse Chassis; 03 Silverado 2500 HD 4wd Duramax/Allison Moved but still in the family 70 C20 Custom Camper 350/TH350; 72 K5 Blazer CST Highlander 350/TH350 Recently sent to new homes 72 C30 MoHome 402 4sp; 72 K5 Blazer Conv 350 4sp; 75 GMC 6000 Aerial 350 w Allison; 72 GMC 3500 Utility 350 4sp; 70 GMC 3500, 350 4sp |
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