I hate it when machine shops want buy the big bits to do this. I had a shop swiss cheese a Crower crank once . I told him I would have bought the bit .I was pissedOriginally posted by kevinr
If my memory any good, I think it was 3 to 4 blocks, and 5 to 6 bal jobs. My balance jobs are easy to identify because I only use 1" or 7/8" drill bits and I try to keep the amount of lighting holes to a minimum, usually two!!
Kevin good luck