I think the sound you are talking about is Normal. Mine makes it when at part throttle as well (took off the hood pad and hear it much better now). If you stab the throttle you should get a Whooossss sound (very techie I know). As long as you have checked the hoses around it to make sure they are tight I wouldn't worry about it.
Married the gal of my dreams 04.27.02  2K SVT Black/Midnight Blue #294 of 2150 DOB 10.29.99 kbucy@fbr.com ktigerj on aim A *few* Mods Best Time 14.942 at 93.98mph Car is now for sale - 14000
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