I suspect you mean a wastegate actuator vice wastegate. - Saab 900 Bulletin Board - Saabnet.com
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I suspect you mean a wastegate actuator vice wastegate.
Posted by JohnB (more from JohnB) on Wed, 2 Apr 2003 12:17:30
In Reply to: How should a wastegate react to pressure from MityVac?, Chris A. in N. VA, Wed, 2 Apr 2003 10:40:27
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my mityvac has a pressure scale counterclockwise from the vacuum scale but it only goes up to about 8psi.
A stock saab wastegate actuator should open at around 5.5 psi or base boost...the APC system bleeds the pressure signal from the wastegate actuator up to the stock max boost setting to enable the engine to operate at boost levels above the wastegate actuator setting.
I would guess the new wastegate actuator is set at a slightly higher level than your old wastegate...if you choose to install the new one you'll need to set the base boost accordingly.
posted by 198.26.7...
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