Thread: 400 Block
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Old 02-17-2009, 09:58 AM   #4
bigjimzlll
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Join Date: Dec 2001
Location: Redding,CA...USA
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Re: 400 Block

On a drag engine, where your not running an extended time, we would tap and plug the steam holes then mill the deck.
400 blocks are notorious for cracking from the steam hole to the bolt hole(no big deal) or to the cylinder(bigger deal)
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