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09-11-2011, 09:53 PM
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#1 |
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Registered User
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
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Help rear axle ID ?
Can anyone help me identify my rear axle. My truck is a 1971 C20 402/400 with a coil spring rear suspension the brake drums / shoes are 2 1/2 x 12 in.
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09-11-2011, 09:54 PM
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#2 |
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Registered User
 Join Date: Jun 2011
Location: chillicothe mo
Posts: 225
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Re: Help rear axle ID ?
pic ?
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09-11-2011, 09:57 PM
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#3 |
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Registered User
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
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Re: Help rear axle ID ?
Sorry that's something I struggle with , I can't seem to figure that out with his iPad .
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09-11-2011, 10:03 PM
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#4 |
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Registered User
Join Date: Jun 2011
Location: chillicothe mo
Posts: 225
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Re: Help rear axle ID ?
is the center part and the axle tubes one piece?
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09-11-2011, 10:08 PM
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#5 |
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Registered User
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
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Re: Help rear axle ID ?
Yes but my guess would be the axle tubes are welded to the center?
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09-11-2011, 10:10 PM
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#6 |
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Registered User
Join Date: Jun 2011
Location: chillicothe mo
Posts: 225
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Re: Help rear axle ID ?
need a pic
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09-11-2011, 10:12 PM
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#7 |
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Registered User
Join Date: Jan 2011
Location: Delaware and Long Island, New York
Posts: 3,464
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Re: Help rear axle ID ?
is the diff cover round?
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09-11-2011, 10:27 PM
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#8 |
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Registered User
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
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Re: Help rear axle ID ?
No it is not round, and if it helps there is 12 bolts that hold the cover on.
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09-12-2011, 06:56 PM
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#9 |
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Registered User
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
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Re: Help rear axle ID ?
I know I dont have pics but can anyone help to ID this , my truck is on jack stands while I wait for new drums!
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09-12-2011, 07:40 PM
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#10 |
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Senior Member
Join Date: Feb 2011
Location: Corona, CA
Posts: 1,851
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Re: Help rear axle ID ?
Let's work reverse....look like this?...I pulled this of the net.
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MusicMan70 1961 GMC Suburban |
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09-12-2011, 08:08 PM
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#11 |
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member #16
 
Join Date: Dec 1999
Location: Yuba City Ca.
Posts: 3,618
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Re: Help rear axle ID ?
I think a BB came with a dana 60 with 3.54:1 ratio. if no one has changed it.
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john http://67-72chevytrucks.com/vboard/showgroups.php board vendors  http://www.flickr.com/photos/1745471...7602865984234/ |
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09-12-2011, 08:18 PM
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#12 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: Help rear axle ID ?
John is correct... bb C/20 as original, would be a 3.54 dana 60
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09-12-2011, 08:41 PM
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#13 |
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Registered User
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
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Re: Help rear axle ID ?
It is original and yes Music Man that is the cover thank you! So then it is a Dana 60 ?
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09-12-2011, 09:12 PM
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#14 |
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Senior Member
Join Date: Feb 2011
Location: Corona, CA
Posts: 1,851
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Re: Help rear axle ID ?
http://coloradok5.com/axleguide.shtml
This says it's a Corporate 12 bolt. I guess that's the Official name....
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MusicMan70 1961 GMC Suburban |
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09-12-2011, 09:15 PM
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#15 |
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Registered User
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
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Re: Help rear axle ID ?
At the parts store they were asking if it was a Spicer/Dana or not ,when I was asking about the drums?
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09-12-2011, 09:30 PM
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#16 |
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Senior Member
Join Date: Feb 2011
Location: Corona, CA
Posts: 1,851
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Re: Help rear axle ID ?
I will say Spicer, but defer to more knowledgeable Peoples.....
Here is rear brake info from the Autozone parts site Duralast/Brake Drum - *Rear Coil spring application For your 1971 Chevrolet Truck C20 3/4 ton P/U 2WD 6.6L 4BL 8cyl Part Number: 80029
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MusicMan70 1961 GMC Suburban |
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09-12-2011, 09:44 PM
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#17 |
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Senior Member
Join Date: Feb 2011
Location: Corona, CA
Posts: 1,851
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Re: Help rear axle ID ?
WAGNER Part # PAB419R More Info ThermoQuiet (Rebate/Promotion Available! See Promotions & Rebates Page for Details.)
Rear; 12 x 2-1/2" Brake; Riveted From RockAuto...your size
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MusicMan70 1961 GMC Suburban |
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