Why do the spark plugs for the Mazda RX7 look like the top of a Simon Says?
(2010-05-29 00:14:36)
1.
John Says: The plugs have multiple electrode to combat fouling. A rotary engine injects oil into the fuel mixture to lubricate the rotor and that system can foul plugs.
2.
Yer D'thspicable Says: They also have to fit flush with the rotor housing to help provide a seal while not damaging it.
3.
Old Man Dirt Says: they not only look crazy, they are crazy expensive
Tag: Why do the spark plugs for the Mazda RX7 look like the top of a Simon Says?
Auto Classifieds >
Car Knowledge