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Old 12-05-2015, 11:39 PM   #3
Mapearso
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Join Date: Oct 2008
Location: los angeles, ca
Posts: 926
Re: Rear Differential Casting Number -- How to Decode??

Quote:
Originally Posted by davepl View Post
Sounds like a 3.55 from a Chevelle, but hard to say. Are you sure this is out of a truck? Can you find the 3-letter code?
Well, it's currently on my truck... I believe it is original to the truck

I'll look tomorrow for the 3 letter code.

Just curious as to what the casting # says
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