Any results yet from your testing?
I did a fuel economy exercise in the early 80's. Part of this project included tires. I originally had a set of Goodyear belted (non-radial) snow tires (4) on a truck and after switching to a set of Goodyear Tiempo radials, I saw no significant difference in...
Check into the small block Chevy Indy engine that Smokey Yunick built in the 60's. Seems like it was around 203 cubic inches. Bruce Crower also did something like this.