another issue:car miss at idle when warm

Recheck the lash.Check it HOT. Check the rocker arm condition. The pads like to get beat up by the stems. The stems pound little divots into the arms making accurate adjustment nearly impossible..Loosen the intakes up, if you have to. Better a tic loose than a tic tight. I use .013minimum intake.

Consider a leakdown test

My slanty idles sweetly at 600(N), and the TC hardly drags it down at all.
One time I had this bright idea that a little tighter lash would make it more powerful.Well that was not so bright. Just a couple of thou, and that six seemed like a done motor. And the cover was back on and everything. I hate do-overs! I don't recall what I set it too. Ima thinkin 8 ish. At 12/13 it idles sweetly, and I don't care anymore how little power it puts down. Afterall the Odos rolled over at least 3 times since I rebuilt her. That would be about 220,000 miles. I might even have rolled over the 4th time already. Can't say for exactly sure.