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#1 |
Registered User
![]() Join Date: Jan 2007
Location: Ill.
Posts: 584
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need help to id this rearend out of a c30
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Hi everyone, It's nice to know there's other people just as crazy about these old trucks as I am. ![]() |
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#2 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: need help to id this rearend out of a c30
It's most likely an HO72 or could possibly be an HO52. We'd need to see the front side to tell for sure.
They are good stout rear ends but brake parts can put you in the poorhouse if you can even find them. A lot of guys are converting them to disc brakes to get away from the hard to find part issue. Posted via Mobile Device |
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#3 |
Registered User
Join Date: Nov 2009
Location: WEATHEROFRD, TX
Posts: 164
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Re: need help to id this rearend out of a c30
Agree with Texas Firefighter..............1 tons should have the HO72 and 3/4 should be the HO52 if it is a Eaton.
Been told that the disk brake brackets from a 14 bolt ff will work. Also that the entire backing plate and all the brake hardware will convert from the 14 bolt ff. I priced the entire rear brake system for mine, hardware and all for less than $100 which I didnt think was to bad.
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72 Chevy LB, LS in the works, 4L80, Grandfather bought it brand new. 66 GMC Short Step, 84 Front Suspension, many more mods to come 67 Chevy 3/4 Ton, 327, Auto, Factory A/C Ya must have been movin cause I was haulin a*$ when I passed you |
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#4 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: need help to id this rearend out of a c30
x3
That's true. You can mount complete 14-bolt brakes to the Corporate HO52/72s
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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 ~ |
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#5 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,376
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Re: need help to id this rearend out of a c30
My HO52 was recently rebuilt and there was no problem getting brake parts. I probably should have upgraded to disc brakes though....
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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 ![]() |
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#6 |
Registered User
![]() Join Date: Jan 2007
Location: Ill.
Posts: 584
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Re: need help to id this rearend out of a c30
ok guys i will have to get more pics in next few days and i will put them on here. oldno7
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Hi everyone, It's nice to know there's other people just as crazy about these old trucks as I am. ![]() |
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#7 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
|
Re: need help to id this rearend out of a c30
HO52 and HO72 center sections are interchangeable. The difference is the heavier HO72 uses a stop bolt to brace the pinion under extreme load.
The best resource on these old rear ends is Pirate 4x4. Those guys are crazy for them. Posted via Mobile Device |
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#8 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: need help to id this rearend out of a c30
What we need to see are the outer ends. The difference between a 52 and a 72 is in the backing plates-out. Even some HO52s have the stop bolt. A C/30 Stepside or single rear cab & chassis would have a rear axle like this,if it is an HO72,which looks just like an HO52. If this is the original axle it's an HO72.
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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 ~ |
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#9 |
Registered User
![]() Join Date: Jan 2007
Location: Ill.
Posts: 584
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Re: need help to id this rearend out of a c30
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Hi everyone, It's nice to know there's other people just as crazy about these old trucks as I am. ![]() |
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#10 |
Registered User
![]() Join Date: Jan 2007
Location: Ill.
Posts: 584
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Re: need help to id this rearend out of a c30
Sorry guys not very good pics, not sure if these help. I appriciate you trying to help though.
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