Article for anyone curious. it was 4 people. yikes.https://www.usatoday.com/story/news/nation/2019/04/26/runaway-truck-crashes-into-stalled-cars-near-denver-interstate-70/3585412002/

I think he got that point too, but it was too late. I cant speak on the mind set, i have never been behind the wheel of 80,000 pounds of hell doin 90mph on a 6% grade with no brakes.

This was a fun read. The cooling system is likely over pressurized because you are getting engine combustion into the cooling system from the head gasket leak. I would stop worrying about the idle and fix the head gasket issue before anything else. While the head is off, take the time to clean...

Im so glad they have those. There was a guy a year or so ago that passed TWO of those when his truck was running away and ended up driving into stopped traffic at the bottom of the mountain here in colorado. the reason he didnt use the truck ramp? he was afraid it would damage the truck/cargo...