How to increase horsepower through ignition timing. How does ignition timing affect horsepower? Should an engine advance or ...

The ignition systems of street engines have to respond to two variables, engine speed and the load the engine is under. As the engine increases in speed the timing must be advanced—basically this is ...

Ignition timing is like seasoning: some is good, but too much ruins the results. Bumping up the ignition timing on pushrod 5.0s is a time-honored trick to wake up the under-hood lump. The EFI system ...