• The carburetors are too difficult to service and tune
• A single-carb conversion is a good thing
• Aftermarket keyswitches are just as good as OEM
• The carburetors are the most important part of tuning
• There's nothing wrong with aftermarket suppressive plug wires
• Premium gas is best
• The factory's pilot screw settings are correct
• An aftermarket ignition system improves performance
• Aftermarket gauze or foam air filters are good
• Running the carbs "dry" is a worthwhile storage technique
• Ignition timing is best performed dynamically
• The carb vacuum tops and slides are factory matched
• The ignition ballast resistor is a critical part
• The Dyna aftermarket ignition is easy to time
• The so-called "split timing" technique was introduced by former Honda corp employee Robert Overby
• The rubber hoses connected to the air plenum carry vacuum

Recommended reading:
The GL1000 problem
GL1000 ignition anomalies
Randakk video critique
Twenty-five things you should know