Was your new or reconstructed >500 horsepower spark ignition limited use engine, located at a major source, constructed (ordered) after June 12, 2006 and either:
a. Manufactured on/after July 1, 2007 (or January 1, 2008 if lean burn and less than 1,350 horsepower) or,
b. Modified/reconstructed after June 12, 2006?
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Yes
No
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