I just went out for my first run this weekend with my newly rigged '97 promax and I must say I love the motor. Runs strong, starts at the flick of they key and sounds amazing. I put a tank of gas through it and mostly just tooled around with a few runs north of 6k. I noticed a squealing noise only at idle that got louder throughout the day until by the end I could no longer tell myself it was just in my head. Any thoughts on what this might be? It's only noticeable at idle.