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06-24-2007, 10:01 PM
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#1 |
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Registered User
Join Date: Mar 2007
Location: south carolina
Posts: 251
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12 bolt posi ID
I purchased a 6 lug rearend supposedly out of 65-66 chevy truck. the ring gear is a 12 bolt,3.73 ratio. I'm having ahard time determining what type posi unit it is.Casting numbers on the housing are 3856525
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06-24-2007, 10:51 PM
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#2 |
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Registered User
 
Join Date: Sep 2006
Location: San Francisco
Posts: 4,782
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Re: 12 bolt posi ID
what makes you think it is a posi.. If you open the inspection plate you will be able to see if it is a posi or not.. But then again if you already did that then you know...
__________________
"A man and his truck, what a beautiful thing" 65 Short Fleetside BBC 65 Long Fleetside 283 3 on the tree for now. my build thread http://www.67-72chevytrucks.com/vboa...d.php?t=259536 |
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06-25-2007, 12:46 AM
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#3 |
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Registered User
Join Date: Jan 2007
Location: San Jose
Posts: 847
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Re: 12 bolt posi ID
2 spider gears or a sping type unit inside the carrier?
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06-25-2007, 09:04 AM
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#4 |
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Registered User
Join Date: Mar 2007
Location: south carolina
Posts: 251
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Re: 12 bolt posi ID
Hope the pics help
Last edited by Knothead; 06-25-2007 at 09:48 AM. Reason: no pictures |
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06-25-2007, 09:40 AM
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#5 |
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Registered User
Join Date: Sep 2006
Location: San Francisco
Posts: 4,782
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Re: 12 bolt posi ID
There are no pictures. Scroll down to manage attachments and post pictures that way..
__________________
"A man and his truck, what a beautiful thing" 65 Short Fleetside BBC 65 Long Fleetside 283 3 on the tree for now. my build thread http://www.67-72chevytrucks.com/vboa...d.php?t=259536 |
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06-25-2007, 10:00 AM
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#6 |
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Registered User
Join Date: Mar 2007
Location: south carolina
Posts: 251
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Re: 12 bolt posi ID
I edited previous post
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07-07-2007, 11:55 PM
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#7 |
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Easy Does It
Join Date: Apr 2007
Location: Dirdy Mo , North Carolina
Posts: 450
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Re: 12 bolt posi ID
Can you tell what type of rear end just by looking at it ? Don't the covers vary? If so does anyone know what to look for?
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07-09-2007, 09:43 AM
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#8 |
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1962 C-10
Join Date: Apr 2005
Location: Las Vegas, New Mexico
Posts: 4,978
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Re: 12 bolt posi ID
Put the unit on jack stands or something. Turn the axle, if both sides turn the same direction its posi, if they turn opposite of eachother, its not.
__________________
Joseph Chavez  "See the USA in a Chevrolet!!" ......................_____ .........________//__{\_____ ,,,,,,,/__(O)___//___/__(O)_/ 1962 C10 Shortbed Fleetside 327/th350 GV overdrive 1974 C10 Longbed Fleetside 350/th350 "The Trash Truck" 1999 Chevy 2500 OBS, Longbed 5.7/4L80E 4x4 2015 GMC Sierra SLE 1500 4x4 |
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07-09-2007, 10:43 AM
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#9 |
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Registered User
Join Date: Dec 2006
Location: Cleveland, Tx
Posts: 1,619
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Re: 12 bolt posi ID
somethings weird about my rear end. when i was changing the rear brakes i turned one side and the other turned the opposite direction so i know its not posi. but when the tires spin the both turn every time. weird.
John
__________________
Respect: 1. A feeling of appreciative, often deferential regard; esteem. 2. The state of being regarded with honor or esteem. 3. Willingness to show consideration or appreciation. When you fail to show consideration to others values you are showing disrespect. |
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