How loud is your turbo spool? Boost leaking aero... - Saab Performance Bulletin Board - Saabnet.com
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How loud is your turbo spool? Boost leaking aero...
Posted by Bob (more from Bob) on Thu, 18 Jan 2001 14:48:09
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My 97 Aero is quite loud on boost. I've inspected the turbine and there is no play in its rotation. It may be normal as I drove a '91 NA engine before this, talk about step UP in performance! I am thinking that its the bypass valve that is original to the car. 80k miles. I also only get 14 psi max boost. Has anyone gotten a vacume hose preasure tester? I've seen a system for preasurizing brake and clutch systems. Another idea would be to figure out how to preasurize the entire intake from one point with the engine off to audibly listen for leaks? Basically from the turbo, through the intercooler, up to the intake manifold. Would this work? Thanks.
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