Ball NPS Score: Not Available
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The EMB XF: The EMB XF features leadingedge
shell and core technology that
creates extra flip at the breakpoint
for greater performance. The specifications
of the EMB XF are: Ball
Construction: Elliptical single density
block; Recommended Lane
Condition: Medium to oily; Backend
Rating: 7; Hook Rating: 17; Length:
5; Flare Potential: 6"; Core Design:
HyperactiveTM technology; Radius
of Gyration: 2.54; Differential: .040; Cover Stock: ProTracktion
Plus Pearl; Color: Blue/Green multicolor;
Finish: Polished; Pin
Placement: 0-5"; Hardness: 76 -
78; Available Weights: 14-16 lbs

IT DOESN'T HOOK?    Put some hand in it!
This is the best Track piece I have thrown since the original Triton Heat!
This ball is great for playing really deep on a second shift or late shift.  Lots of mid-lane movement.
A definite 10!

I set this ball up with a stacked leverage drilling.  Pin at 12 o'clock to the CG, centre of grip kicked out about 1 inch.  Balance hole 6 3/4 from centre of grip.  Ball left with 1/8 finger and 5/8 positive side.

Well they weren't joking when they said this ball provided extra flip.  I used it on a easy league condition and found I had to move an extra 6 boards right (I"m a lefty) and throw it towards the edge compared to my Heat 2 pearl.  It had no problem getting through the heads, my only problem was controlling the flip at the backend.  This ball keeps coming back and offered the best drive through the pin deck I've seen since the Heat 2 Pearl.

I also used it on a 37ft sport pattern today and found down 3 board it was hitting too hard!!!  I could play up the edge no problems but when it got the pocket it exploded the rack and sent pins flying.  The problem was that because of the extra concentration of oil in the front half, the ball was revving it's butt off so when it did hit the backend it went right in an aweful hurry.  I left a few 8 pins and sent a whole heap of messengers across the deck (on the full), most missing infront.

In summary, this ball is the biggest turning ball in my Track arsenal to date.  This is only because of the sharp turn it has when it hits the backend resulting in more boards covered.  This ball will be great to complement my Heat 2 pearl and Black Stomp which I use most of the time.  9/10

Hello, got the ball 3 days ago, drilled it up for a tournament we have here. Placed the pin right next to my ring finger, the cg shifted to the right, and the emb to the right of my thumb. Kinda like a 3 3/8 x 3 3/8 drilling. Placed the extra hole below my PAP for more reaction. The lanes were oiled long with a little OB from the 5th board down. On fresh conditions, this ball would skate on the oil, but on broken down conditions, this ball is good. Nice skid, long arcing reaction with a little flip on the backend. Good ball!!!
Tyrone Ongpauco
Philippines

Second review of this ball, Awwwwwsome!!!!

 Bowled a sweeper at a tough house this weekend and had so much area with this ball. Playing 25 to 15 this ball stuck the pocket everytime taking out the corners. Left a few solid 8's and 9's but thats it. Shot 227-247-203-202-248. In match play i lost with the 248 but this ball gave me the area I needed to score well on a very demanding condition. Great ball Track. This is the only track ball i throw but with how this ball is working, I might not hesitate to get the Hex to compliment it.

Good ball when the back ends are strong.  We normally have very weak back ends and this ball just doesn't finish on that shot for me.  I throw about 17MPH and 18+ revs and I leave many flat tens with the weak back ends.  But when they are there WOW, this ball hits extremely well and creates a great area.  All in all an 8 out of 10 for this ball.  Definitely a keeper in my book.

HI IM BACK AND TO START WITH IM REVIEWING MY XF I HAD IT DRILLED BASICALLY DONT KNOW MUCH ABOUT DRILLING I HAD IT DULLED FOR GREATER HOOK IT WAS FINE FOR 2MONTHS OR SO ON HEAVY OIL BUT AFTER A WHILE THE HOOK GRADUALLY FADES THIS BALL NEEDS ALOT OF CLEANING AND RESURFACING TO KEEP IT CONSISTANT

Picked this ball up from a good friend of mine because I was looking for something with a bit more backend than my Warrior.  What I got was a ball with less backend but an amazing control ball.  Can go to this when the lanes begin to dry up anywhere (in the heads or on the backend) and will still get an amazing reaction.  Ball is punched up with the Pin above and to the right of the ring finger, the CG above and to the right of the thumb (about a 4+ in. pin) and a balance hole about four inches off to the right of the center of my palm.  (I know that's a terrible description of how it's drilled but I'm not too familiar with PAP measurement and how to tell if it's 4x4 or 5x5, etc.)

Like I said before, amazing control on this ball, very forgiving, tug it and it skids, push it out and it'll come back.  Ball hits very hard and long as I hit the ball and don't fluff it out there.  Overall a very complementary ball when the lanes are starting to get squirly and I need something other than a heavy rolling particle or a skid/snap reactive.
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Andrew Loose
Illinois State University Men's Team