[78w72]

Originally Posted by 77 TRASHCAN

If its till got the original EGR intake (not a bad piece...) make sure the EGR valve isn't part of the problem. Check the PCV valve.

Originally Posted by 66sprint6

Thanks for the suggestions so far.
So, I can definitely eliminate a vacuum leak. I disconnected and plugged everything.
The fuel line gets warm but not overly hot
There’s no EGR valve on this engine.
The choke is operating properly

If a valve was hanging open after warm up, would that be indicative of a bad lifter? Should I try a top end additive as a jumping off point?

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