Have you adjusted the surface on it at all since you've had it?

Ive tried out of box, 3000, 2000 and now 1500. Im thinking 1000 with a little polish. I have scored high with this ball, but with a lot of sloppy light hit strikes. My avg is 212, been bowling a long time, four 300's etc...but this one is frustrating the hell out me.

I have the Deadly Aim. I found it's not the oil ball that Hammer touts it to be. It seems to fall into the no man's land of not enough ball for real oil, but too strong for most mediums.
 
I haven't played with the cover yet. But based on what you're reporting, it might not make much difference. 

If you feel you have exhausted your surface adjustments then I would play with the weight hole first.

A ball we drilled we would adjust the weight hole without charge as long as it stayed in static limits. We also would adjust surface on balls sold thru the shop without charge.

But plugging there is no going back. You have a plugged ball and it is going to cost you.

Please check how the ball is rolling as it enters the pins.  Is it still rotating sideways or is it rolling forward?  If forward, pay attention to when it starts rolling forward and that could be the reason the ball isn't hooking.  It may be rolling out too early and not having a chance to hook.

If you don't have a lot of hand I don't think the deadly aim is going to move much on the backend.  I think it is more of a control piece for heavier oil.  It is going to hook throughout the length of the lane giving the illusion that it has little to no hook on the back end.

From the videos I saw the recovery from outside was suspect.  The ball seems to hook early and isn't very continuous.. more quick roll out than continuous.

see this post

http://www.ballreviews.com/hammer/is-the-deadly-aim-continuous-t302469.0.html;msg2471530#msg2471530

If the weight hole is 3 - 4 inches from the pin then making it bigger won't do very much to change the reaction.  If possible, I would plug the weight hole and move it so that it is 6 3/4 from the pin and either on the MB or just to the right of it.  This will increase the flare and also enhance the MB location. If anything it will give a different look than you have now.  I would try that and then adjust the surface as needed.   This is trusting that the layout on the ball matches up well with your release and style. Putting the weight hole 6 3/4 from the pin but farther away from the MB might be better. It is hard to know without knowing all your stats and seeing the ball roll and seeing the flare pattern.

Can a ball at 500 be polished? Wouldnt the polish absorb to much into the cover? I heard this from one guy, not sure if true or not?

no it works if you have the ball speed, I used to do 500 abralon then polish on strong pearl reactives when I needed a ball to play deep with and still get back easily. Give it a shot once.

I have had the same issues with this ball finishing weak. I drilled it myself, then altered the surface many times, then added a balance hole; still weak. As far as I'm concerned, I have an entry level ball with a high performance price. Now I'm gun-shy about buying the BW Legend.