Originally Posted by 406 bug
Do you have your timing chain on with crank indexed to cam?? Reason I ask is many times if you just rotate the cam to "check' you will have interference.
As for small Base cams, comp cams offers on many grinds with little or no extra cost. I run a 6" rod in my 406 with a small base from comp Cams.
Very true, nice catch. Crank, timing set and cam must be correctly installed to make checks.