The Mean Machine:
1) How early does it pick up its roll?
The larger pores on the surface makes the ball like to roll a bit quicker but for some who are on a thicker density or volume of oil, it can go fairly long before turning on the backend. I've had both looks myself.
2)How much backend does it have?
Again, all dependent upon how much stored energy you can get the ball to retain.
3) What conditions is it best suited for? Can it be used on THS and Chameleon, Viper, Scorpion?
Unfortunately my PBA league didn't come close to matching any of the shots IMHO. I was standing against the ball return and was able to bring the ball back from 5-6 board on every shot, even on the Shark...not a close read by any means.
4) Where do you place this ball in a Track arsenal?
It still belongs in our med/heavy category.
5) Compared to the Machine, how much more does this ball hook and on what conditions will the MM favor over the Machine?
Approximately anywhere from 5-7 boards for me (may vary per bowler style). The condition I found that the the Mean shined was on a thicker and heavier condition where the surface didn't read the heads too fast and still transitioned strongly from skid/roll to hook.
In the lighter density oil, it read quickly and lacked the backend finish it had on the heavier oil conditions. However, dependent upon your style (for any of you reading), you must understand whether you are speed or rev dominant as your results may vary from my personal experience.
6) What is the reaction shape difference between these two balls?
Layout with strong asymmetrical balls (such as these) dictate reaction shape. This is a trick question in actuality. I can drill both of these balls to look similar in reaction and at the same time place the mb's in opposite directions to create worlds of separation.
Hope this helps some...
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