Classic Delco distributors are among the most rugged domestic distributors ever done. We're rebuilding a cast-iron tach-drive distributor from a small-block Chevy. However, this tutorial applies to ...

At 7,000 rpm, a spark plug ignites the air/fuel mixture nearly 60 times per second. Any one of those 60 sparks going amiss can at best be mildly annoying, and at worst cost you a race or an engine.