TwinTurbo.NET: Nissan 300ZX forum - Sometimes both turbos do not have the same response
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Subject Sometimes both turbos do not have the same response
     
Posted by Ash's Z on December 16, 2004 at 12:44 AM
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In Reply To Cool stuff, but I'm curious... posted by CaptK(ATL) on December 16, 2004 at 12:38 AM
     
Message due to small differences in the wastegate actuator pre-loading. Having a bias adjustment that allows you to send a little more or less pressure to one turbo's wastegate actuator is beneficial in balancing the A/F between the two banks of the engine. Just because you buy a set of turbochargers that are pre-built doesn't mean that the wastegate actuators are totally balanced.

This is the 2nd biggest problem I end up fixing while tuning cars - following closely to fuel system problems.




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