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11-18-2002, 09:59 PM

I was wondering is a stock DX civic engine would benefit hp/gas mileage by installing Denso Iridium Spark Plugs or another spark plug like that.

11-18-2002, 09:59 PM	#1
Sponjah Posts: n/a	Spark Plugs I was wondering is a stock DX civic engine would benefit hp/gas mileage by installing Denso Iridium Spark Plugs or another spark plug like that.