10 Bolt Rear End Axle Code - Hot Rod Forum : Hotrodders Bulletin Board
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Old 03-30-2006, 08:29 AM
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10 Bolt Rear End Axle Code

I NEED HELP DECODING A REAR END...

IT IS A CHEVROLET OR GM 10 BOLT
THE AXLE TUBE IS STAMPED AS FOLLOWS: ME G71812

THE GUY WHO SOLD IT TO ME SAID IT WAS A 70-81 CAMARO OR FIREBIRD REAR END, BUT THAT IS WHAT I AM TRYING TO CONFIRM...


ANY HELP WOULD BE APPRECIATED.


THANKS

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Old 03-30-2006, 09:14 AM
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It's my understanding that those cars came with 8.5 inch ten bolts.

I have an 8.5 from a 79 Firebird TA. look at the last picture here:

http://www.sounddomain.com/ride/734860

They are very strong.
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Old 03-30-2006, 09:47 AM
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10 Bolt Axle Code

Thanks For The Reply, But I Am Trying To Decode The Actual Stamping On The Axle Tube...

I Cannot Find Any Reference On Any Website Or In My Camaro Chilton Manual To The "me G71812" Stamped On The Axle Tube..

Does The "me" Refer To A Gear Ratio Or Is It Something Else..


I Did Look At The Ring Gear , And Determined That There Are 2:56's In There (yeah I Know Sad) But I Plan On Replacing Them..
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Old 03-30-2006, 10:21 AM
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Quote:
Originally Posted by VEGA 3503508.5
It's my understanding that those cars came with 8.5 inch ten bolts.
The 1970 Camaro still used the 8.2 and the '70 Firebirds used the 8.25" B-O-P 10 bolt with the exception of T/A's and Formulas which used Chevy 12 Bolts.

I had a link to a website with GM axle codes, I'll see if I can find it tonight when I get home.
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Old 03-30-2006, 10:28 AM
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Rear End..

i JUST REALIZED THAT THE DIFFERENTIAL COVER HAS THE ANGLED "RIB" ON IT INDICATING THAT IT IS A 8.2"

THE REASON I BOUGHT THE UNIT WAS FOR THE REAR DISC BRAKES.


I HAVE A 8.5" 10 BOLT OUT OF A 1970 CAMARO WITH DRIM BRAKES UNDER MY FIREBIRD NOW..

I'M 99 PECENT SURE THAT THE DISC BRAKE HUBS OFF OF THE 8.2" REAR END WILL BOLT RIGHT ONTO THE ENDS OF MY 8.5 REAR END AXLE TUBES

WHAT DO YOU THINK?
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Old 03-30-2006, 11:02 AM
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They should swap to your axle just fine.
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Old 03-30-2006, 11:07 AM
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Are you sure it's an 8.2? I've seen corporate 8.5 with those "cut outs" on the cover like the 8.2

Does it have u-bolts to hold the u-joints or straps with bolts?
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Old 03-30-2006, 11:16 AM
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10 Bolt Rear End

GO TO THE LINK BELOW AND THERE ARE PICTURE OF THE REAR END THAT I BOUGHT

I'M INTERESTED IN WHAT YOU THINK.

http://denver.craigslist.org/pts/144895633.html
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Old 03-30-2006, 11:53 AM
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That link came up with a message that the posting was deleted by it's author on 3/24/06.

The ME code doesn't look like an F-body axle code to me, and I don't have the info in front of me at the moment.

Is it leaf spring, or coil?
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Old 03-30-2006, 12:03 PM
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If that isn't an 8.5, then I dont know what is...

This is a picture of an 8.5, it has the exact same cover

http://www.fullsizechevy.com/fscu/axletech/image001.jpg


BTW this is where I found my axle codes

http://www.nastyz28.com/camaro/zsusp.html
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Old 03-30-2006, 12:10 PM
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Axle Codes

yeah, Ive used that site before as well do decode axles, however in this instance it does not mention the "ME" stamp code as it appears on my axle
(ME G71812)
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Old 03-30-2006, 02:43 PM
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On some Chevy vehicles that "me" indicated 3.73 gears but I am sure someone can give you a complete breakdown of the coding.
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Old 03-31-2006, 03:11 AM
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Quote:
Originally Posted by TORI1
THE AXLE TUBE IS STAMPED AS FOLLOWS: ME G71812

THE GUY WHO SOLD IT TO ME SAID IT WAS A 70-81 CAMARO OR FIREBIRD REAR END, BUT THAT IS WHAT I AM TRYING TO CONFIRM...
I can tell you it IS NOT a Camaro axle, as the ID stamp doesn't match ANY generation Camaro numbers, with the following information your axle most likely IS NOT an 8.2 unit, as the information doesn't follow GM coding correctly to match an 8.2.

Your axle code given translates to a 1971 and later axle code standard:
ME= gear ratio (1967-1972 GM Series 10 TRUCK 4.11 gear ratio)
G= Detroit Gear & Axle (assembly plant)
71812= none of this further decodes out to any standard coding
the first three digits SHOULD be 000 through 366, the fourth digit of "1" means first shift at the assembly plant, BUT the digit "2" also doesn't give any result in the codes.

What are the numbers found elsewhere on the center section itsself, so I can determine the date of manufacture.

Do you have a picture of it? Can you provide pics of the axle code too?
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Old 03-31-2006, 08:17 AM
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Mystery Solved....

the puzzle of the Mystery Rear end Is solved...
get your note books out for this one....

ME G71812 is actually an assembly code for a 1977 Cadilac Seville with a non-posi carrier and 2:56 gears and Disc Brakes..

this is both confirmed from an old GM manual from Local Differential repiar Shop, and the writing on one of the rotors that i discovered after cleaning about 5 layers of rust and carbon that read "1977 SEVILLE"..


needless to say, the Guy who sold me the rear end and told me it was a 2nd gen camaro rear end , and when he realized it was not, he agreed to buy it back on Tuesday..

That is unless someone here has a need for it..... 250 bucks is what I paid, I'll take the same.. but you need to send me a message before tuesday..


thanks to all that replied

David
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