
On my last couple of runs i noticed a quite (just audible) high pitch noise when under WOT, in second gear. and disappears as soon as you back off.
the sound is not a Mechanical whine.
The sound does not appear under normal driving.
Upon chatting with a few of the other MX5 guys and checking all hoses and fluid levels we could see nothing obviously wrong.
as i am new to Turbo's this is a whole new world of issues!!!
Has anyone heard as similar sound. Any ideas for me to checkout
My car is stock at the moment

Cheers