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RX-7 3rd Gen Specific (1993-2002) RX-7 1993-2002 Discussion including performance modifications and Technical Support Sections. |
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#20 |
Test Whore - Admin
Join Date: Mar 2008
Location: Right Behind you son
Posts: 4,581
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Thought I'd give an update regardless of how bad it was. We stopped early for fuel related issues and I believe there is either a boost leak, the Charge Relief valve puked, or something else with the turbos is wrong. It could possibly be I ported the WG too large and the backpressure is overpowering the WG Actuator. We stopped at 33% duty on the WG solenoid, 11.5lbs of boost and 360 RWHP, graph to come later. My fuel filter clogged again.
This is becoming too much of a habit so if anyone knows of a lab that can test my old filter to find out what is actually clogging it, I would love to know who they are. Onto the screen shots, the dyno graph will come later. Trying to arrange my sched next week to get back to Dave after I re-double-check everything. You can see why Dave let out early - she went a little too lean and heres why. She hit about 12.5-13 afr and got there quick, kudo's to Dave for the cat like reflexs In case anyone in wondering how much backpressure the twins really make, seeing how no one has ever been able to say definately. At 5k up the boost falls off. I think there's something wrong, valve, leak, whatever, something puked because I know I've seen higher creeps before, I missed something when I checked her over two nights ago.
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