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Old 01-07-2014, 10:13 PM   #1
Houston Ben
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10 bolt question

Hi all,
I am wanting to get a locker for my 10 bolt rear end but don't know what size 10 bolt I have. How do I tell if I have an 8.5 or an 8.6? The 10 bolt came off a 1985 suburban.

Thanks for any help!
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Old 01-08-2014, 01:40 AM   #2
Captainfab
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Re: 10 bolt question

As far as I know the 8.6" 10 bolt didn't come out until 2000, so yours should be a 8.5"
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Old 01-08-2014, 12:55 PM   #3
GASoline71
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Re: 10 bolt question

If it's an Eaton "10 bolt" in a 3/4 ton... it's a whole different animal.

Gary
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Old 01-08-2014, 09:40 PM   #4
LONGHAIR
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Re: 10 bolt question

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Originally Posted by GASoline71 View Post
If it's an Eaton "10 bolt" in a 3/4 ton... it's a whole different animal.

Gary
Not in '85, the squares have 14 bolt full floaters in the 3/4 ton trucks/burbs.
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Old 01-09-2014, 03:32 PM   #5
GASoline71
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Re: 10 bolt question

Doh! I missed the 1985 part.

Gary
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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
Quote:
Originally Posted by cableguy0 View Post
Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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Old 01-13-2014, 11:27 AM   #6
Houston Ben
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Re: 10 bolt question

Thanks for the replies all! One more question, I don't want to pull off the diff cover again and was wondering if anyone knew the spline count for the 85' rear-end??

Thanks for all your help!!
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