Ok I just got back from the DynoJet shop. Learned a few things:
A dyno run on 7AT in 5th gear isn't really possible with our current stock ECUs, they hit the 160 mph speed limiter at around 7K rpm. We actually tried it, and the ECU basically holds the gas pedal dead on 160 mph when you reach it, it won't let you accelerate any further. The 7AT has a different gear ratio in the diff than the 6MT (7AT = 3.357, 6MT = 3.692), which is why you 6MT guys are able to make 7.5k (just barely) in 5th.
In any case, the lines looked about the same, if anything roughly 5-10hp lower throughout the rpm range versus the 4th gear pull. The graphs he showed me afterwards, the data seems to die off even earlier than what I observed during the pull (more like 155mph) and topped out at 288hp, so I don't really know what's going on there.
So I think 7AT pulls on DynoJets will need to be in 4th for now, at least until we can raise the speed limiter. I also suspect this particular DynoJet is need of some maintenance and/or calibration.
The Dyno Dynamics guys claim gearing doesn't matter on their machines, due to a different theory of operation.
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