Among other advantages, such as stronger spark, better timing control, lower maintenance and longer inspection intervals, these ignitions allow the use of auto spark plugs. Auto plugs are desirable ...

Here’s a hack that’s been around since the very start of the hot rod movement. Car exhaust flame throwers work by interrupting the spark to the engine. This dumps raw fuel into the exhaust system. The ...

Dear Mike: My pickup came new with those expensive spark plugs that never need changing. Of course I needed to change them after the engine started to misfire, at about 120,000 miles. Two of them ...