Make spark plug changes easier with a custom spark plug wrench for auto plug adapters on aircraft engines. The post Starkey's Custom Spark Plug Adapter Lock Wrench appeared first on KITPLANES.

If you were to put a timing light on a car going down the highway with the vacuum advance properly connected, you would be extremely surprised to see somewhere around 40-50 degrees of ignition timing.

If you were to put a timing light on a car going down the highway with the vacuum advance properly connected, you would be extremely surprised to see somewhere around 40-50 degrees of ignition timing.