Careful, it’s the opposite of this. In NGK, lower numbers represent hotter plugs. 8 is a hotter plug compared to 9 (The 8 retains more heat) for colder conditions. That said, 8 is a little too hot for my personal taste, emphasis personal.
Careful, it’s the opposite of this. In NGK, lower numbers represent hotter plugs. 8 is a hotter plug compared to 9 (The 8 retains more heat) for colder conditions. That said, 8 is a little too hot for my personal taste, emphasis personal.