the first thing i checked are the vacuum lines...it used to work fine before i changed these lines. im taking it apart today to check all the clamps and hoses.
Originally Posted by spic
does it usually whistle during or after high boost? I don't think it's supposed to whistle while you actually ARE boosting..
is it backsurging, or are you just pissed 'cause it's not loud?
its not that...the car lags while shifting. i get full boost but it sounds like the excess pressure goes nowhere.