Hooking up a vacuum gauge to the existing vacuum-advance hose at the distributor end registered near zero vacuum at idle.

Some very valuable tuning tools are greatly misunderstood. Take the lowly vacuum advance canister. Many enthusiasts dismiss this device as superfluous—or worse— ...

As a solution to these tuning difficulties, the '56 Cadillac introduced Delco-Remy's innovative "window cap" distributor. The newly designed ignition afforded ready access for breaker point ...