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Old 08-13-2009, 09:01 AM
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TheEngineer
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Join Date: Sep 2007
Location: Moore Oklahoma
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WJ,

Thanks for the GMPP link. It looks like a GM 350 is 181 pounds and their 400 is 196 pounds.

I called Dart and they said their 400 block (4.125") should be around 197 pounds. Basically 8 pounds lighter than their 350 (4.00" bore).

Warren
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