Spark plugs help you start gasoline engines and glow plugs do the same in diesel engines. But how do they go about providing ...
Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.
Editor's Note: Way back in March of 1998, GMHTP ran "Opti-Spark" by Ray Bohacz, an engineering-level dissection of GM's Opti-Spark distributor. This evolutionary ignition component was a bridge ...
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