The 3 1/4oz topweight would make it real tough, but I think, possible.

 

 To remain "legal" you could only have 1oz of thumbweight or 1oz of sideweight. While not totally accurate, this means that you would need to remove around 2 1/4oz weight with the X-hole.

 

 According to the chart, a 1 3/16 hole, 2 1/2 inches deep, will remove 2 1/4oz of weight.  This means that the X-hole you would need to drill this ball RICO would be in the neighborhood of that size and depth.

 

 To see the weight removal chart here: http://www.jayhawkbowling.com/Pro_s_Corner/Pro_Shop_Forms/weightremoval.pdf

 

 PLEASE UNDERSTAND, this is not totally accurate because the CG will only be 3 inches from the pin while the x-hole is supposed to be 6 3/4 inches from the pin. You might not have to remove quite as much weight because, once you start drilling the x-hole, the CG will move away from the x-hole and back towards the top of the ball, where you can have up to three ounces of topweight.

 

 You would just have to keep drilling and re-weighing the ball until you got it to fall into specs.

Good transactions list in my profile

 

 

 

Edited by Juggernaut on 1/23/2011 at 12:49 PM

 

Edited by Juggernaut on 1/23/2011 at 2:24 PM

 

Edited by The Dreaded Durbin on 2/4/2011 at 6:47 PM

The easiest way to figure it out is lay the ball out and then put it on a scale. That will give you the exact starting weights and how much weight you will need removed. I've had no problem with 3ozs before, so I imagine your chances are pretty good.

 

Is the ball 14 or 15?

Using the IT can not only change the statics but the dynamics and extremely on some cores.

 

With those specs, you should be fine. As previously suggested, lay the ball out and weigh it. Drill it and check to see how much it changed.

 

No matter what the specs show...still place the weight hole at 6 3/4".