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Old 07-08-2013   #5
4seasons69
 
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Join Date: Apr 2007
Location: Circle Pines
Drives: 1992 talon tsi 1995 corolla
Posts: 2,048
Re: Boost leak? Boost gauge misreading?

I'm extremely confused. Are you doing a boost leak test or a leak down test? Where you say you set the tank at 25psi you only filled your air compressor tank to 25psi? Also if you're doing a boost leak test and you have the cams in and timing belt on no matter where you have the crank there are going to be intake and exhaust valves open. Air will be flowing through the turbo, intake, engine and exhaust.

You're probably seeing little on the boost gauge because you're not filling your compressor enough.

Idk I'm confused though so maybe I misunderstood what you're talking about
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