internal pressure?

Dave Daniels dwaynedaniels at
Fri Mar 16 12:51:53 PDT 2007

Question for you gurus:
  If the reed valves are closed off on the top of the engine, and the vacuum switch and related hoses are removed, and the vacuum ports are blocked off on the carbs, what does the engine do with the buildup of internal pressure? Is this, or could this be detrimental?

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