Your ignition system is nothing to be afraid of. Unlike carburetor modifications which require a tremendous amount of experience, ignition timing can be altered with relative ease. A basic ...

Essentially, a multi-cylinder engine is a collection of individualengines operating at different combustion and mechanical efficiencies.If we can optimize the power output from each one, the overall ...

I take it that you have wiring set up to the coil, and from the coil to the distributor? If so, then you need to set the engine up so that number one cylinder is just before TDC (top dead centre) on ...

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 ...