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Had a look into the log. Found peak Torque at 3800 RPM 884 Nm (652 Pounds) at the crank. Boost at this point is 7.5 PSI. Spark Advance extremely conservative at 8.0 Deg. Lambda 0.82 - rich enough.
At the wheels this torque level would be 554 Pounds (15% Drivetrain loss for Auto).
Interesting if the dyno shows similar figures.
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You weren't too far off.
540hp/537tq on a Dynapak setup.
No changes made during the session, just back to back runs.
She was running a bit rich. Boost crept higher than I expected, but I have read that it's common. Tune by Ted (JRE) remotely and only on the street. Not too bad for what it is. Repeatable, IAT's seem reasonable and lots of area under the curve. Funny little dip towards the end of the curve, not sure what that's about.
Anyways, it certainly feels like it's got more in it, but I'll defer to Ted when we talk next week.
Graphs and log attached.