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Old 12-09-2012, 12:06 PM   #1
savatreatabvr
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14 Bolt Differential Casting Numbers Location?

I'm trying to locate the casting numbers on my mid 70's Chevy C20 454 longbed 14 bolt rearend! I've cleaned and scrubbed the typical areas with no results! I guess the next best thing is to break out the brake cleaner and power washer and get dirty! Any ideas on where the numbers are and what's the difference between a Corporate 14 bolt and a 14 bolt?
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Old 12-09-2012, 02:25 PM   #2
moregrip
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Re: 14 Bolt Differential Casting Numbers Location?

this might help you:

http://www.pirate4x4.com/tech/billav...ble/index.html
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Old 12-11-2012, 10:51 PM   #3
russgt
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Re: 14 Bolt Differential Casting Numbers Location?

Their on top of the passenger side axle tube
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