Posted by Glen of Idaho [72.173.64.59] on Saturday, November 16, 2013 at 11:13:18 :
In Reply to: Ok gentlemen, I present to you. posted by Nick [99.100.212.49] on Friday, November 15, 2013 at 21:44:12 :
try using a good contractors level across the front bumper, front of box and rear of box. Hold low end up so it reads level and measure down to surface. That will be the thickness of your shim, the difference between the two.