You could go with any of these except the RSP and probably the Action. If you go with the Big One you'll probably have to change the surface for although it has a very high hook potential, the 4000 grit finish helps it get down the lane. The only other two I have experience with are the S&D, my personal favorite ball, and the TS&A. I find that the TS&A oob will hook quite a bit more, rev up quicker and have more of an even arcing motion. The S&D will get down the lane and have a very strong arc. I have one that is a 4x5 1/2 layout that I keep at 4000 grit abralon. This ball is best for med/hvy and is very versitile. I also have another S&D, I can't remember the exact layout off the top of my head, but it has a similar pin to pap, with a much lower pin above mid (about 1", whereas the other is in excess of 3") and a slightly higher min to mb. Anyways, this ball revs up much quicker and is alot more even. That is the versitility of a strong asymetric core, you are able to alter the reaction shape alot by changing the pap to mb, the pin to pap, or the pin above mid. This ball is currently at 4000 grit to make it useable, but if I enter a big tournament with the possibility of a heavy condition, I can dull this ball and use it on true heavy. Either of these are great options for true heavy oil. I've also heard that the Super Carbide Bomb from lane 1 and the Rule GP2 are good choices as well.
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