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06-18-2015, 10:31 PM
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#1 |
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Moderator
  
Join Date: Aug 2011
Location: China Spring, TX
Posts: 7,280
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Rear End Question
On my 64 Stepside - I have a WC 6 17 stamped on it. Does that mean a Posi 3.73?
And what does the 6 17 mean? 
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Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
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06-18-2015, 11:39 PM
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#2 |
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Registered User
Join Date: May 2015
Location: Las Cruces, NM
Posts: 38
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Re: Rear End Question
Yep.
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06-19-2015, 12:34 AM
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#3 |
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Registered User
Join Date: Nov 2012
Location: Kingsburg CA
Posts: 581
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Re: Rear End Question
Wc is the code for the 3.73 posi. The 6 17 most likely refers to the month and date the axle was produced. I wish I could help you on the production date Bette as my axel is an hc 08 06 meaning posi August 1966
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My Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=705185 How to Get Audiophile Sound in 60-66 Trucks http://67-72chevytrucks.com/vboard/s...=1#post7236896 Building Your Own Speaker Kick Pods http://http://67-72chevytrucks.com/vboard/showthread.php?t=730495 |
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06-19-2015, 04:55 AM
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#4 |
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Moderator
Join Date: Aug 2011
Location: China Spring, TX
Posts: 7,280
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Re: Rear End Question
Thank you par4tom - I guess these numbers don't mean much:
__________________
Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
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06-19-2015, 08:48 AM
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#5 |
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Registered User
Join Date: Nov 2011
Location: fayetteville nc
Posts: 10,338
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Re: Rear End Question
Factory spec sheets show it as a 3.73 posi date coded June 17
3838227 is the part # for 12 bolt rear end and will be 17 spline axles
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual http://67-72chevytrucks.com/vboard/s...d.php?t=519869 1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide http://67-72chevytrucks.com/vboard/s...d.php?t=619024 1964 Short bed trailer Last edited by 1963c-10; 06-19-2015 at 08:58 AM. |
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06-19-2015, 03:43 PM
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#6 |
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Registered User
Join Date: Apr 2015
Location: denver colorado
Posts: 52
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Re: Rear End Question
I have a c10. would that be the same as c14 or c15?
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06-19-2015, 03:45 PM
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#7 | |
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Registered User
Join Date: Nov 2011
Location: fayetteville nc
Posts: 10,338
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Re: Rear End Question
Quote:
115" = 14 127" = 15 This is for half tons.
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual http://67-72chevytrucks.com/vboard/s...d.php?t=519869 1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide http://67-72chevytrucks.com/vboard/s...d.php?t=619024 1964 Short bed trailer Last edited by 1963c-10; 06-19-2015 at 03:51 PM. |
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06-19-2015, 03:55 PM
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#8 |
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Registered User
Join Date: Apr 2015
Location: denver colorado
Posts: 52
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Re: Rear End Question
thank you for that imfo. looks like i have a 15. meant to ask some one sooner but don't like looking ignorant.
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06-19-2015, 04:03 PM
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#9 | |
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Registered User
Join Date: Nov 2011
Location: fayetteville nc
Posts: 10,338
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Re: Rear End Question
Quote:
__________________
1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual http://67-72chevytrucks.com/vboard/s...d.php?t=519869 1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide http://67-72chevytrucks.com/vboard/s...d.php?t=619024 1964 Short bed trailer |
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06-19-2015, 05:03 PM
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#10 |
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Check The Champ, Demonstrator
 
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: Rear End Question
There's no such thing as looking ignorant. Even the most experienced members can discover something new.
1963c10 isn't it interesting to see a page listing 61-66, yet, it doesn't list the H Freemont plant!
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1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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06-19-2015, 05:33 PM
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#11 |
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Registered User
Join Date: Nov 2012
Location: Kingsburg CA
Posts: 581
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Re: Rear End Question
Was Fremont even on line at that time? My 61 shows a 1c14401010xx vin, and the sheet I looked at to verify the vin doesn't even show Oakland as a plant...
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My Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=705185 How to Get Audiophile Sound in 60-66 Trucks http://67-72chevytrucks.com/vboard/s...=1#post7236896 Building Your Own Speaker Kick Pods http://http://67-72chevytrucks.com/vboard/showthread.php?t=730495 |
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06-20-2015, 02:04 PM
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#12 |
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Registered User
Join Date: Nov 2014
Location: oklahoma city
Posts: 108
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Re: Rear End Question
where at on the diff. is that stamped? Mine is kinda crusty lol and i dont want to have to scrape off all of it to find it . THanks
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06-20-2015, 04:09 PM
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#13 |
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Moderator
Join Date: Aug 2011
Location: China Spring, TX
Posts: 7,280
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Re: Rear End Question
Mine is at the rear of the tube on the Drivers side of the pumpkin.
__________________
Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
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06-23-2015, 09:03 PM
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#14 |
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Registered User
Join Date: Apr 2015
Location: NICHOLS SC
Posts: 435
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Re: Rear End Question
Found one like this on craigslist . What would it be worth in good condition.
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