spark plug heat range, what is hotter, autolite 4143 or 4144?

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2006-06-14 06:26:21 · 3 answers · asked by angus 1 in Cars & Transportation ➔ Motorcycles

4143 is hotter.
Going "up" to heaven is cool
Going "down" to hell is hot

2006-06-14 06:55:22 · answer #1 · answered by guardrailjim 7 · 0⤊ 0⤋

I believe the 43 is hotter.

2006-06-14 15:00:30 · answer #2 · answered by scott m 1 · 0⤊ 0⤋

Don't mess with that stuff. Buy the proper NGK.

2006-06-14 17:18:41 · answer #3 · answered by Anonymous · 0⤊ 0⤋