sweeperguy
Active member
Anybody use these E3 spark plugs? Even if only 1 mpg gain that's like an extra gallon of gas on sled. Thinking better burn may keep variable exhaust valves cleaner?
https://youtu.be/rTRy_pVtE1g
https://youtu.be/veqxUwmk1I8
https://youtu.be/rTRy_pVtE1g
https://youtu.be/veqxUwmk1I8
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