could be lower intercooler pipes? maybe...

 

When I had a sound he's describing, a clamp broke off the lower intercooler pipe on the drivers side, listen to what direction its coming from too, might help to tell you whats causing it.

 

Come on ya'll , you know cant SEE a boost leak . You have to pressure test it , listen for leaks or even some times get out the soapy water and look for bubbles . Just b/c a clamp it tight dont mean it wount leak , most of my leaks have been b/c I over tightened the clamps

If you want me to do a boost leak test on your car pm me , if you want to make a leak tester and do it yourself look in my sig .

Like Warr said we can fix it over the web .

Good luck

 

hahahh yup matt55 found a leak in my lower ic pipe and bov...you couldnt hear it unless you did the test

 

OK guys this may sound really really dumb... i fixed my ***** rigged vaccum line goin to my boost gauge...and it still does the same thing but i am startin to think that it is just all the pressure goin to the line in the gauge like it is leaking out of the little nut that screws into the back of the gauge causing the needle to go ape ****... it's not really loosin power but come one when your gauge drops like that you are concentrating on the gauge.. Does this sound realistic to anybody?? If so you think some teflon tape would fix her.

 

i dont know if you are having the same problem im am having but i also have a boost leak but mine is coming from the connection between the turbo and the licp....check that gasket also

 

have you got a aftermarket licp?? is it makin that Squshing sound i was talkin bout?