for some reason when i put my 700r4 into 1 2 or drive it makes this very quite whistling noise but in neutral park or reverse the noise is gone... is this normal... the noise is almost unoticable unless u really pay attention to it..... the tranny shifts excellent... just been pro built with all the performance parts and has a transgo shift kit... has less than 2000 miles on it.. i have a tranny cooler so its not burnt at all..... anyone else have this problem...