I've had one of these for some time now and I find it to be great on medium to medium heavy oil conditions. Mine is drilled with the pin about 4 1/2" from the pap and just right of the ring finger. This is my go to ball and is just above the Bedlam in my bag. I would suggest, however, that you keep some surface on it and have it put in the pro-shop oven at least once a season depending on how much it gets used.
Hope this helps.