Track's covers take changes very well. As I mentioned earlier, the mass bias is in a strong spot, so about the only way you can get it stronger is a shorter pin to PAP. What I mean is the pin needs to be closer to your axis by about an inch (depends on your PAP though to make a 100% correct suggestion) and at the very highest even with the fingers. It doesn't seem like much, but on the Morpheous cores it can give you a totally different reaction.
My GP2 oil monster is drilled like this. I track very high, have high speed, little axis tilt, and my PAP is 5 over 1/4 up. The mass bias ends up on my VAL. I will try to draw as close as possible. Pin below the finger line makes the core shorter making it rev up sooner, pin is roughly 4 inches from my PAP, closer would make it want to roll sooner, mass bias on the VAL makes for a very strong early movement. I can only use this on floods!
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You only other option, one I would try first before redrilling, is possibly sanding the ball down a little. Don't go right to 400 or 600 grit, start out around 1200 or so, and then go down in small steps until you find your desired reaction. The lower grit surface will make the ball want to pick up a roll sooner, which will help on heavy stuff, but, by the same token, will take away some backend as well.
Clint
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Clint Daley-Owner
Lets Go Bowling Daley
Salem, Ohio 44460
TRACK ADVISORY PRO SHOP STAFF