Thread: Fixing a strange engine noise and then some

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Originally Posted by Dave Severson

I'd try .060 Dave, should be plenty of spark to shoot that gap. What number NGK?

Dave - they are 3403 (TR55GP). Here are their advertising words about them:

G-Power (one below the top $$$ Iridium)
Improved Fuel Efficiency, Lower Emissions, Quicker Starts.

Fine platinum tip reduces required voltage
Extremely durable under high heat
Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties
Superior anti-fouling characteristics
Faster starts and quicker acceleration
Better fuel economy and lower emissions

And that MSD spark - it is extremely strong (and a personal zap by that spark is 'enlightening'!!!!)

I'll try the .060 gap