Quote Originally Posted by greenberet View Post
Just as a data point, my engine makes a kind of whining noise when it has warmed up ever since I had Comptech adjustable cam gears and a Power Enterprise Super Kevlar II timing belt installed. I heard the engine makes that sound when the belt is too tight so I readjusted the tension myself, trying to be as accurate as possible. It didn't make a difference. Next time I replace the timing belt, I'm going to use an OEM belt again and hope that gets rid of the whine when the engine is warm.
that's good input, i will let you know if i experience the same sound.

Maybe that's a sign to supercharge it