strange boost leak
#1
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Location: Mesquite, tx
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strange boost leak
Hi All, I Have A 03 Evo With 39k on it Well Now i Have a Boost Leak now heres the thing im 100% stock so i make full boost at say 4k rpm but my car NEVER leaks untill im at 5500rpm or more at that point i hear a loud rush of air untill i let out of the gas or shift, i cannot for the life of me find this leak anyone here have any ideas ive done a basic boost leak test cant find anything.
Thanks, Michael
Thanks, Michael
#3
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Ok first of all, have you done a boost leak test before? this leak you hear when you are driving I asume right? well then go to your garage and perform a proper boost leak test with an air compressor, otherwise you will never find a leak, or know if you even have one, with the engine running/driving.
Ed
Ed
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i put about 25psi thru it andyes i hear the noise when driving and when the air noise starts the boost pressure drops about 8lbs and the car falls on its face and stops making power it just started doing this about a month ago.
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