TwinTurbo.NET: Nissan 300ZX forum - Just curious, is that what you set yours to "crack" open
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Subject Just curious, is that what you set yours to "crack" open
     
Posted by bartz32tt on May 29, 2015 at 12:29 PM
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In Reply To wastegate pressure posted by EngineerLV on May 26, 2015 at 04:17 PM
     
Message to, or do your wastegates fully open at 13-15 psi? It kind of drove me nuts setting my preload - there doesn't seem to be an exact "science" involved with it and I'm sure my method was different from others. I set my preload based on the amount of psi it took to "loosen" the wastegate "valves" enough to turn them with my finger/thumb. Not sure if this will cause my base pressure to be higher than other's using a different method or not.

P.S. I used a Mityvac hand pump and it worked great for this job.

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