i just got my 50 1 ton going after swapping in a 261 with dual holley webers, fenton headers, a lil' cam & HEI. took a 160 mi. shakedown cruise yesterday. steady 55 mph, 180 degrees, good oil press & 16 mpg !! that's with the stock 5.14 gears & 750 17 tires. i was quite pleased.
robert