1989 gmc has me running circles

[mountie]

Originally Posted by radiatorrepair

Thank you for all the help with diagnosing this thing, I did find out that it was the distributor, finaly as I was holding it at about 2000 rpm it stopped firing, pulled the distributor and the pickup inside was catching as I turned it, put in a new one, now seems to run fine., was kinda odd, sure was acting like a fuel issue, not a spark.

Your situation sounded similar to what I went through almost a year ago...

But, after changing all those parts, THEN discovering the culprit, NOW, it runs great, with all the new stuff !!