Thanks gentlemen,
Stuart, yes I bypassed the igntion resistor when I installed the HEI so that wouldn't be the problem. It idles rough but the "miss" is also apparent at higher RPM just not as noticeable. I will double check the hose to the tranny modulator. It would sure be nice if that were the problem. I like a simple fix! I'll keep you posted.
Jerry, I will take your advice and pull a valve cover and observe the valve lift. I really hope that's not the issue.
I did notice something I've never seen before. When I pulled the vacuum advance line I could feel plenty of vacuum but the inside of the line was wet with fuel. that shouldn't be I don't think.
If it ends up pointing to the carb as the culprit (it may be going that direction) I have a new edelbrock carb and manifold still in the boxes that I could try.
Thanks again for putting on your thinking caps. I sure don't want to pull this motor and replace/rebuild when maybe I could get it to run decent for a while. I hope it's something minor.
