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Brunswick C (System)4.5 Reviewed By: RSalas 07/05/2010 10:33 ( stars)

Ball: Brunswick C-(System) v4.5


Pin 5” from PAP, above ring finger
CG ¾” above and ¾” to right of grip center

Initial Surface Preparation:

Box finish


To give me an option for broken-down tournament conditions where I need to be able to count on recovery when I give the ball some room to the outside. I’ve been using the Python on conditions like this, but I’ve found it to be touchy at times because of its sensitivity to oil.

Why this ball?

The C-(System) v4.5 is intended to have a lower overall friction factor than the C-(System) 3.5, with good length through the heads and midlane, but a fast response in back and a more dramatic change of direction than the C-(System) 2.5. In addition, the symmetrical core in the C-(S) v4.5 was designed to yield a smoother transition at the break, to allow the bowler to follow condition breakdown easier without losing angle to the pocket.


The C-(System) v4.5 came with a 3 ½” pin, so I went with my “favorite” symmetrical layout, with the pin 5” from PAP, above the fingers.

The first time I threw the v4.5 was on a fresher house condition with quite a bit of help in the middle and down the lane. I had been playing more up the oil while warming up, and the reaction that I got was controlled and serviceable, but certainly not spectacular. So I changed my alignment to get the ball to touch more of the dry, and that’s when I began to see the strong move off of friction to which I’ve become accustomed with the CFT covers. In fact, I had to cheat left with my feet to compensate for just how strong of a bounce I was getting from the dry boards. Using this alignment, I had a good reaction with the v4.5, with the same great look at the pin deck that I have with the C-(S) 3.5. When the oil started to push, though, I began to have a bit of difficulty controlling the break, and I had to watch my speed in order to get the ball to move at the right spot.

When I threw the C-(System) v4.5 on a higher-friction lane surface with a house-type condition that was undergoing some transition, I saw the ball really begin to live up to its potential. I had to open up my angles on this condition to avoid hitting the push down lane, but the C-(S) v4.5 never backed down from the challenge of recovering. I threw a few shots towards a part of the lane from which I hadn’t been able to get my other equipment to consistently recover, and not only did the v4.5 make the turn like a champ, but it threw pins around like nothing I’d ever seen before. With this power came a price, though; playing that close to the lane with a ball so strong off friction resulted in me having to make frequent moves in order to keep the ball off of the headpin. Eventually I did reach a point where I was far enough left so that I wasn’t hitting the house track area until further down the lane, and I didn’t have to move nearly as often. From there, I was still getting a nice clean reaction in front and a strong move at the break, and I had little difficulty getting the corners out.


I know the question that I will be asked the most about this ball is how it compares to the C-(System) 2.5. The overall hook is about the same, but the reaction shapes are noticeably different. For me, the C-(S) 2.5 is a “mudder,” as it seems to reach its full potential when the lane condition starts to get ugly. The 2.5 has the right combination of midlane read and strength in back to make a choppy condition play like a blended shot, but on a more favorable condition, I sometimes find it tricky to control the breakpoint. The v4.5 doesn’t read the lane nearly as early, but for me, it has been even stronger than the 2.5 when it does hit the friction.

I could easily envision carrying all three CFT balls as part of a tournament arsenal. The C-(System) 3.5 would be the first ball out of the bag for the fresh. If the transition progresses in parallel lines, I could switch to the C-(S) v4.5, move left, and use the dry to get recovery. If the condition transitions unevenly, I would go to the C-(S) 2.5.

I don’t really see myself getting a whole lot of use out of the C-(System) v4.5 on a typical league condition, because I usually find myself trying to tame down the reaction off of the dry rather than enhance it. But I wouldn’t want to be without the v4.5’s added response to friction on a flatter tournament pattern.

NOTE: The opinions expressed are solely those of the writer and not of Brunswick Corporation.

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