I got the new pump yesterday and worked a bit on getting the old one out and began to install the new one. This morning I made a lot of headway, (wife thought it was going to be all day and made other plans) and I already smelled like fuel, so I put in the 370s.
WOW, what a blast
My Con O holds much better than my tires
Temps don't seem bad, but my test drive was short. No stumble as far as could tell either. Not sure if it's the injectors or the pump, but I would swear the truck is quieter.
Out of curiosity, I pulled the old pump apart. Inside I found some small bits of metal. One check valve was blown apart and sort of cocked sideways in the opening.