Replying to How long is to long for park??

I am 165 cms tall. I've ordered a 167 Line chronic wide. My favorite part of skiing is bm and powder, but I cant ski during the week so i bought a narrower ski. I also want super good performance i thre park and pipe. I am kind of a beginner, but after 1 and a half seasons I can ski db diamondspretty well, and I can do alright in the park. I ski at whistler. I the ski going to be too big to ski park alright? I weight between 135- 140. thanks