Hi. I get the FBO distributor working and the engine runs great with it, rock steady ignition timing. 18 initial and the vacuum advance it to 30 at idle ,34 full mechanical. I have 18 hg/inch vacuum. This hows the plugs looks after a test drive, i bring it up to about 4000 rpm a few times, it have stand a while on idle after that, looks pretty rich? I get dry gummy soot on my finger when i drag my finger on it. On one of the pictures you can see how it looks after i try to clean it with my finger. What do you guys think?