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					Originally Posted by Lucy Goose  Explain the octane thing. I am new to this.   | 
	
 Engines with forced injection (blower/supercharger or turbocharger) generally require higher octane gas to run properly.  Since he dropped the supercharger as part of an engine rebuild, his engine is now NA (naturally aspirated) ie: a normal engine and can run on lower octane (cheaper) gas.