On cold start up my engine seems to idle slightly rough, no surging or sputtering, but feels like not hitting on all 8 in a very intermittent and subtle way.
Barely registers on the tach, but a keen ear can hear it, or feel it. Also, there does not seem to be much of a fast idle...?
As engine gradually warms, idle smooths out. Runs fine if driven even before entirely warmed up. Car is a 94 5.0 liter GT. All stock. This car is new to me and I'm wondering if this is normal. Any thoughts on...

Cold run issue