In this topic, after all the reasons how it's ok to change brands, materials, style, how much weight do you place on this statement?
Many professional technicians prefer to install the same brand of spark plugs that were originally in the engine, and may be reluctant to try a different brand. But if there is a valid reason for switching brands, they may do so.
Counterman
Personally I feel a plug labeled "exact fit" should also be labeled "Do Not Gap, Gap is Preset". When a supplier lists a plug for my application I shouldn't have to reset the gap.
Many professional technicians prefer to install the same brand of spark plugs that were originally in the engine, and may be reluctant to try a different brand. But if there is a valid reason for switching brands, they may do so.
Counterman
Personally I feel a plug labeled "exact fit" should also be labeled "Do Not Gap, Gap is Preset". When a supplier lists a plug for my application I shouldn't have to reset the gap.