There's a lot of information on the packaging for your engine's motor oil, but the S designation may be one of the most ...
A magnet is attached to the engine’s crankshaft to time the voltage spikes, these spikes are fed directly into the spark plugs to cause ignition, this is why you don’t need a battery.
Not so with laser ignition, as Wintner points out ... which is comparable to that of a conventional spark plug for car engines, and this can still be reduced by using a smaller output coupler ...
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Car Tune Up Basics: Everything You Need to Know
Every vehicle engine needs tuning up from time to time. Learn about tune-up basics that help keep your vehicle running ...