[HarveyH]

It's better to get your ignition system optimized before you try to re-jet your carbs. In researching the setup on my car (cam, carbs and high compression), several Weber distributors recommended to bulletproof the ignition system with a point replacement, CD box and 8mm silicone wires before changing jets. Very similar to DD's Dance, Vacuum, Ignition, then Induction, Repeat as needed.