Turbocharged Mazda RX-8, Day at the Dyno

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Published 7 Sep 2009
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http://rotaryinsider.com


Finally brought her in for dyno tuning. I just wanted a conservative tune that w...
http://rotaryinsider.com


Finally brought her in for dyno tuning. I just wanted a conservative tune that was safe across all RPM ranges. A few months later I found out the fuel pump filter was clogged up. When the filter was changed, the tune from this dyno session ended up being way too rich. So I think another 20 whp would be easy to get out of the car without any other changes. BTW the greddy turbo doesn't flow enough air for the engine (this turbo kit was designed for 6 psi boost, and I'm running it almost twice that). Assuming there is a 15-20% drivetrain loss on the rx-8, that puts me at 312 - 326 hp with a very conservative tune with that clogged fuel pump. Car is running with standard 93 gas. Visit rotaryinsider dot com for more info
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