Reply to "Spark Plugs Question 351 C"

deniscCaretaker of 8MA1244 '70 Euro Mangusta DRIVE THEM, THEY WERE MEANT TO BE DRIVEN, IF YOU WANT TO LOOK AT ONE, BUY A POSTER!

Consider the advanced science where the funny cars have multiple style plugs as the immense power and heat needs to be optimized.

Ideally use the original plug but then newer plugs have resistors to reduce radio static and now you can get a platinum electrode for a longer plug life. Engine builders will often recommend using a different heat range plug when you have a hotter cam.

Again assuming you start with a ARF42 time the motor and carb properly, then examine your plugs after a few hundred miles and decide if you need to change to a plug with a different heat range.

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