At the first moment they block the passage, gas prices go to $50 a gallon. No oil, no gas. And we refuse to drill here because a bunch of liberal commie so called scientists say we will destroy some dirt.
My understanding is that we get about 600 thousand barrels a day through the Strait of Hormuz. The price pressure we would see would be as European and Asian customers begin soliciting our supply sources to replace their halted shipments.
Of course, the price will blip based on the emotions, but that won't last... unless the Iranians are capable of doing a better job of jamming things up than anticipated.
Here is the latest data that I could find:
USA Crude Oil Imports (Top 15 Countries) (Thousand Barrels per Day)