Changing Spark Plugs 5.7 Hemi Charger. 57 Hemi Horsepower. Surfing around in another forum someone asked the age old question what spark plugs should I get for my 57 And the answers came back copper for the most part.
This spark plug is definitely improved your performance and fuel efficiency. I found the drivers side cylinders particularily the two back ones the most dificult to access. This spark plug needs less voltage for a smooth start.
Start date May 25.
This spark plug is definitely improved your performance and fuel efficiency. When should you replace spark plugs. The spark plugs are the little bolt of lights that help your motor generate energy. I found the drivers side cylinders particularily the two back ones the most dificult to access.
