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GTGallop · 07-04-2009, 05:17 PM

I was wondering what are your favorite spark plugs and why?

I'll be putting them in an '05 4.0L SOHC V-6, but I imagine (could be wrong) that a good, solid, high performance plug will do well in any Mustang engine.

I've used Platinum and Copper NGK's before with good luck and have used the Bosch +2 in a little 4-Banger Saturn with phenominal results.

How are the E-3 Diamond fire plugs?
What about the Pulse-Star plugs ($24.00 ea? YIKES)?
Bosch?
Any others you have used?

07-04-2009, 05:17 PM	#1
GTGallop Join Date: Jun 2009 Vehicle: 2005 Ford Mustang Convertable Location: Texas Posts: 10	Your Favorite Spark Plugs? I was wondering what are your favorite spark plugs and why? I'll be putting them in an '05 4.0L SOHC V-6, but I imagine (could be wrong) that a good, solid, high performance plug will do well in any Mustang engine. I've used Platinum and Copper NGK's before with good luck and have used the Bosch +2 in a little 4-Banger Saturn with phenominal results. How are the E-3 Diamond fire plugs? What about the Pulse-Star plugs ($24.00 ea? YIKES)? Bosch? Any others you have used? __________________ 2005 Convertable - Red w/ Black Top 4.0L SOHC V-6 32,000 mi Daily Driver