When my pickup still had the 4:11 rear gears and the 270 GMC I ran 3, 000 rpm all day on trips. The cam I have loves 3.000 and even now with 3:54s and OD it will creep up there. 3,000 rpm now is 90 mph so I try not to go there. That is about twice what the truck was designed for.

"I wonder if God created man because he was disappointed in the monkey?" Mark Twain