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12-20-2009, 06:36 PM
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#1 |
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Junior Member
Join Date: Dec 2006
Location: Newburgh, IN
Posts: 1,247
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66 c10 rear end id
Anybody know where to look for the ID on a 66 c10 rear end? I thought it would have a two letter designation. I see some series of numbers , but no letters.
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1966 Chevy C10 Longbed I'm Bob....ol Curt was my Grandpa The truck was his and he sure as heck wouldn't understand why I took a perfectly good truck and tore it down! 
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12-20-2009, 09:41 PM
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#2 |
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1961 crewcab
Join Date: Dec 2007
Location: missoula, mt
Posts: 6,164
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Re: 66 c10 rear end id
I think it is the rh axle tube...
alans classic had a pic of one once..
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60 build: http://67-72chevytrucks.com/vboard/s...d.php?t=280904 61 crew build: http://67-72chevytrucks.com/vboard/s...d.php?t=646830 63 build: http://67-72chevytrucks.com/vboard/s...d.php?t=336537 64 'burb build: http://67-72chevytrucks.com/vboard/s...d.php?t=448681 65 'burb build: http://67-72chevytrucks.com/vboard/s...d.php?t=590715 65 build: http://67-72chevytrucks.com/vboard/s...d.php?t=281955 |
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12-20-2009, 11:15 PM
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#3 |
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Junior Member
Join Date: Dec 2006
Location: Newburgh, IN
Posts: 1,247
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Re: 66 c10 rear end id
Man,
I was under there for awhile today looking for he letters on the axle tube. Anybody got a pic of where they are?
__________________
1966 Chevy C10 Longbed I'm Bob....ol Curt was my Grandpa The truck was his and he sure as heck wouldn't understand why I took a perfectly good truck and tore it down!
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12-21-2009, 12:32 PM
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#4 |
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Junior Member
Join Date: Dec 2006
Location: Newburgh, IN
Posts: 1,247
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Re: 66 c10 rear end id
Bueller?
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1966 Chevy C10 Longbed I'm Bob....ol Curt was my Grandpa The truck was his and he sure as heck wouldn't understand why I took a perfectly good truck and tore it down!
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12-21-2009, 12:55 PM
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#5 |
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Junior Member
Join Date: Dec 2006
Location: Newburgh, IN
Posts: 1,247
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Re: 66 c10 rear end id
Ok,
I'm not home so that I can look, but I found this and thought I would pas it on for others who might be looking. I may have to use the wire wheel near this location.
__________________
1966 Chevy C10 Longbed I'm Bob....ol Curt was my Grandpa The truck was his and he sure as heck wouldn't understand why I took a perfectly good truck and tore it down!
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12-21-2009, 10:24 PM
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#6 |
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Junior Member
Join Date: Dec 2006
Location: Newburgh, IN
Posts: 1,247
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Re: 66 c10 rear end id
Ahhh yes, that is what i was looking for! I though when I had the other six in my truck with headers, cam and dual carbs I laid rubber with both tires. The HA designation indicates a 3.73 Positrac
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1966 Chevy C10 Longbed I'm Bob....ol Curt was my Grandpa The truck was his and he sure as heck wouldn't understand why I took a perfectly good truck and tore it down!
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12-22-2009, 12:05 AM
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#7 |
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Registered User
Join Date: May 2009
Location: Loganville, Ga.
Posts: 1,408
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Re: 66 c10 rear end id
The HA is the gear code which is a 3.73.........I Don't think it has anything to do with positraction
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My Build http://67-72chevytrucks.com/vboard/s...d.php?t=346597 https://www.facebook.com/pages/198-C...1434001?ref=hl |
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12-22-2009, 12:21 AM
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#8 |
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Junior Member
Join Date: Dec 2006
Location: Newburgh, IN
Posts: 1,247
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Re: 66 c10 rear end id
I need to go back and look at it closer. For a c15, which is a 1/2 ton, 127" wheelbase I should either have a HF(3.73 excl. posi), HG (3.73 with posi), or a HH (4.11 overdrive). Obviously I don't have the latter.
That is of course, assuming the factory assembly manual is correct. If all else fails, I'll go pull the cover...or lay some more rubber!!  
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1966 Chevy C10 Longbed I'm Bob....ol Curt was my Grandpa The truck was his and he sure as heck wouldn't understand why I took a perfectly good truck and tore it down!
Last edited by ol Curt; 12-22-2009 at 12:29 AM. |
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