Edelbrock AVS - distributor vacum port

K3522:

If your getting detonation then we need to go over your specs again. That distributor is designed to run with the vacuum line connected to CONSTANT manifold vacuum, as they should be on any Performance application.

Detonation is caused by excessive heat in the chamber, are you running out of fuel causing to lean out, is the compression higher than we thought?

Somethings going on and we need to correct it.

Call me next week and we'll try and figure out what's going on. Send me a picture of the ground stap on the plugs so i can try and determine what's happening in the combustion chamber.

So 30% of the cars at the show new what they were doing the rest were guessing and didn't have a clue as to how the advance cannister works.

I have seen so many so called distributor experts and Companies publish the wrong information on this on going debate over which port, it's not rocket science. Performance applications alway's get connected to Constant, some stock and emissions vehicles go to ported. If it doesn't run right on constant then get the distributor curved correctly, your bandaiding a lousey mechanical curve with the vacuum can.