So fellas, I’d like to figure this out on my current motor (355) before I get the new one done, use it as a test mule if you will. I’ve had a pretty bad bog when I stab the throttle (Holley 4150 650 cfm). I’ve played with jets and timing and really have only made it worse. I really believe it’s pig fat at the moment, plugs are black but more of a black soot than wet and have fouled a couple out shortly after a cold start. It also has a blubber at about 35-40 mph. My question is how would I verify that the distributor is actually doing its job correctly? It’s a new (relatively) MSD. It just seems odd that I’ve had this issue right from the get go and really haven’t made any gains with jet, power valve, timing. I’ve just got to missing something that is probably staring me right in the face. Any thoughts?