Thanks much for your posts! I tried the idea with the throttle linkage, and I got results as I should, so I guess that's OK. No check engine lights or anything. It runs great after chugging for 2-4 minutes. But it only does it when it's warm - when it's cold, it fires right up - idle is good and I have no problems.
Unfortunately, I've got bigger fish to fry with my transmission & exhaust right now, so I guess it will have to chug for awhile!
Thanks for all the help.