Nothing in the oil. I replaced the pan this spring and no debris. I can check the lift before I do any part removal. But I will be changing out the cam. I know that this may be unpopular, but my gut says that there is a cam issue, bad lobes, lifters, grind or ??. Fwiw, some may say that it could be the gearvendors overdrive. That was a later addition and the dyno was done before that install as well as many runs at the track. Thanks for all the recommendations. Keep them coming. I hope to learn a lot about what is the actual problem along the way. By checking what is the current status of things before disassembly will allow me to assess what changes have occurred when a new cam is in. Thus far, I will check compression, lift, of course timing again and plugs for proper afr. Will also put a temp gun on all exhaust pipes to be sure I don’t have a dead cylinder. Any other checks?