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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

 
 
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Old 04-03-2010, 09:59 AM   #34
TitaniumTT
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Or, have someone watch the WG actuator while it's on the dyno. I have the same problem with boost levels falling off up top. I don't have a dip, but it does fall off. I suspect that the spring just isn't stong enough. So, next time on the dyno, someone will watch the vitals, someone will watch the duty cycle, and someone will watch the physical actuator to see if the EMAP is overpowering the WG and actuator and venting too much.

If it is, the search begins for a new actuator.

However, I suspect that with such a violent drop like that and then it coming back, it's something else.
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