Awesome. You are absolutely correct. 184 minutes. Awesome!
Edit: I hear a Salem's Lot blu ray is on the cards, but it could be like The Abyss and a total pipe dream!
Edit Edit: Salem's Lot terrified me. Strangely, the bit I found most terrifying as a kid was right at the end when the kid is leaning against the wall in the basement and all the vampires are crawling toward him from the next room!