Have clean power,
Checked the plugs, all look the same.
All look realitively "good"
No
oil, ash, carbon, excessive gas, etc.
Checked compression - all cylinders are 179 to 183psi
Checked wires - all appear okay.
Checked cap on dustributor - looks good, no oxidation
How can you verify the function and performance of the MSD 6AL?
Next step... back to the engine builder next Saturday.
still backfires through the carb.
hard to start, poor idle, no low end throttle responce.
Appears okay above 3,000 rpms.