Finally found time to test my RX8 with the new OBD II software I have.
I was blown away by the fact the computer would not open the fly by wire 
throttle more than 3/4 of the way despite my foot being flat on the
floor. No telling how fast an RX8 would be  using full throttle.
If 3/4 throttle is 240 HP Mazda is sand bagging big time on this engine.

Note also the rapid decrease in intake manifold temperature as the speed
increased towards 100 MPH.

The other thing of note is the range of spark advance from -5 degrees all the
way out to 45 degrees at low continuos load. Not shown in this chart.
Max spark advance here is 29 degrees.

More data later on this.
 
Paul Lamar
 
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