Originally Posted by Kevlarr
Going to be hard to actually balance since you only have access to one side of the crank. I pretty much did what you're thinking of on my crank, just made a few divots on the crank weights with a 1/2" bit. Not a true "balance" but it helped me get past my 31mph wall.
I planned on not splitting the cases at all, and drilling vertically into the crank weights. :/