I have used 3 blue print motors for mild builds, all 302 from speed way. I have been and so have the guys with the broncos are happy. All the motors have a few thousand miles on them and run grate. Best $3500 motor out their.
http://www.speedwaymotors.com/BluePr...Pan,43358.html
I am sure their 350 is just as good. Not crazy power but they were not drag cars.