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Old 11-05-2010, 09:47 AM   #13
Beat68CST
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Join Date: Oct 2010
Location: Buckeye Arizona
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Re: How to tell the diffence in engine size????

Quote:
Originally Posted by bigsnookmaster View Post
400's have three freeze plugs in the side of the block. Some only have two, but there is a boss in the middle where the third one would have been. Casting numbers ending in 511, 509, and 817 are also indicators, besides the balancer with a notch, and flexplate with an external weight.

you stole my answer! (:
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