The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 09-11-2011, 09:53 PM   #1
cpisani70@aol.com
Registered User
 
cpisani70@aol.com's Avatar
 
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
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.
Posted via Mobile Device
cpisani70@aol.com is offline   Reply With Quote
Old 09-11-2011, 09:54 PM   #2
duckdude
Registered User
 
Join Date: Jun 2011
Location: chillicothe mo
Posts: 225
Re: Help rear axle ID ?

pic ?
duckdude is offline   Reply With Quote
Old 09-11-2011, 09:57 PM   #3
cpisani70@aol.com
Registered User
 
cpisani70@aol.com's Avatar
 
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
Re: Help rear axle ID ?

Sorry that's something I struggle with , I can't seem to figure that out with his iPad .
Posted via Mobile Device
cpisani70@aol.com is offline   Reply With Quote
Old 09-11-2011, 10:03 PM   #4
duckdude
Registered User
 
Join Date: Jun 2011
Location: chillicothe mo
Posts: 225
Re: Help rear axle ID ?

is the center part and the axle tubes one piece?
duckdude is offline   Reply With Quote
Old 09-11-2011, 10:08 PM   #5
cpisani70@aol.com
Registered User
 
cpisani70@aol.com's Avatar
 
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
Re: Help rear axle ID ?

Yes but my guess would be the axle tubes are welded to the center?
Posted via Mobile Device
cpisani70@aol.com is offline   Reply With Quote
Old 09-11-2011, 10:10 PM   #6
duckdude
Registered User
 
Join Date: Jun 2011
Location: chillicothe mo
Posts: 225
Re: Help rear axle ID ?

need a pic
duckdude is offline   Reply With Quote
Old 09-11-2011, 10:12 PM   #7
68panelman
Registered User
 
68panelman's Avatar
 
Join Date: Jan 2011
Location: Delaware and Long Island, New York
Posts: 3,456
Re: Help rear axle ID ?

is the diff cover round?
68panelman is offline   Reply With Quote
Old 09-11-2011, 10:27 PM   #8
cpisani70@aol.com
Registered User
 
cpisani70@aol.com's Avatar
 
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
Re: Help rear axle ID ?

No it is not round, and if it helps there is 12 bolts that hold the cover on.
Posted via Mobile Device
cpisani70@aol.com is offline   Reply With Quote
Old 09-12-2011, 06:56 PM   #9
cpisani70@aol.com
Registered User
 
cpisani70@aol.com's Avatar
 
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
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!
Posted via Mobile Device
cpisani70@aol.com is offline   Reply With Quote
Old 09-12-2011, 07:40 PM   #10
MusicMan70
Senior Member
 
MusicMan70's Avatar
 
Join Date: Feb 2011
Location: Corona, CA
Posts: 1,842
Re: Help rear axle ID ?

Let's work reverse....look like this?...I pulled this of the net.
Attached Images
 
__________________
MusicMan70
1961 GMC Suburban
MusicMan70 is offline   Reply With Quote
Old 09-12-2011, 08:08 PM   #11
john
member #16
 
john's Avatar
 
Join Date: Dec 1999
Location: Yuba City Ca.
Posts: 3,618
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.
john is offline   Reply With Quote
Old 09-12-2011, 08:18 PM   #12
Longhorn Man
its all about the +6 inches
 
Longhorn Man's Avatar
 
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
Re: Help rear axle ID ?

John is correct... bb C/20 as original, would be a 3.54 dana 60
Longhorn Man is offline   Reply With Quote
Old 09-12-2011, 08:41 PM   #13
cpisani70@aol.com
Registered User
 
cpisani70@aol.com's Avatar
 
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
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 ?
Posted via Mobile Device
cpisani70@aol.com is offline   Reply With Quote
Old 09-12-2011, 09:12 PM   #14
MusicMan70
Senior Member
 
MusicMan70's Avatar
 
Join Date: Feb 2011
Location: Corona, CA
Posts: 1,842
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....
__________________
MusicMan70
1961 GMC Suburban
MusicMan70 is offline   Reply With Quote
Old 09-12-2011, 09:15 PM   #15
cpisani70@aol.com
Registered User
 
cpisani70@aol.com's Avatar
 
Join Date: Oct 2010
Location: Wallingford CT
Posts: 260
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?
Posted via Mobile Device
cpisani70@aol.com is offline   Reply With Quote
Old 09-12-2011, 09:30 PM   #16
MusicMan70
Senior Member
 
MusicMan70's Avatar
 
Join Date: Feb 2011
Location: Corona, CA
Posts: 1,842
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
__________________
MusicMan70
1961 GMC Suburban
MusicMan70 is offline   Reply With Quote
Old 09-12-2011, 09:44 PM   #17
MusicMan70
Senior Member
 
MusicMan70's Avatar
 
Join Date: Feb 2011
Location: Corona, CA
Posts: 1,842
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
__________________
MusicMan70
1961 GMC Suburban
MusicMan70 is offline   Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 04:37 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com