We firmly believe that sometimes even the longest-tenured hot-rodder should pause for a moment and recognize his or her journey in the hobby; take time to look back to where it all began and think ...

Gasoline internal combustion engines need three fundamental things: fuel, oxygen, and spark. The sexy aspects of modifying cars are focused on the first two elements: Double Pumper carburetors, ...

Setting the correct gap is one of the most important details of installing new spark plugs. The correct gap allows the engine to fire on all cylinders, while the wrong gap will not create proper ...

My research would indicate that your ’99 Vortec would take an ACDelco 41-993 gapped at around 0.060-inch in an original equipment application, but you don’t have an original equipment application, so ...

Perhaps my google-fu is weak today. I have an '88 Honda Accord, and I'm trying to change the spark plugs. I've done several searches but I just can't seem to find any reference as to what to gap my ...

Switch out a set of old, worn spark plugs to improve your engine's efficiency. By Timothy Dale Published Nov 15, 2023 1:00 PM EST We may earn revenue from the products available on this page and ...