Recurving Your Distributor for Power Think you have good timing? Well, let us "advance" your knowledge on the subject by broadening your learning "curve." We'll show you how to set up the advance ...

Corvette tech guru James Berry tackles part 2 of his tune-up series. Learn how to set ignition timing on your Corvette.

Vacuum advance and centrifugal advance must work hand in hand for a seamless transition from idle to power.

The HEI distributor's vacuum advance was hooked to a manifold vacuum source; it should have been high at idle, but was actually near zero.

There’s nothing wrong with connecting the vacuum advance to manifold vacuum if the engine needs this additional timing at idle but these applications are usually found with engines equipped with ...