Originally Posted by J.B.

I am new to the Z world with the recent purchase of my 370 and I am very happy I joined. I do have a question about start up in the morning it seems to sound a bit rough for about 10 seconds and then it sounds just fine. I do remember when I was at the dealer we started 2 other Z’s and they sounded the same as mine. Is this normal or is it a break in thing I look forward to the response to this question and many more because this is a great site to go to for all things Z