OK, so here's how my Z's SRM works. It revs up when downshifting. It doesn't do anything during an upshift. This is the way it should work for reasons stated in my previous post. If a car revs during an upshift I will speculate the driver is slow to get off the gas pedal when depressing the clutch causing the car to rev.
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"America.... still builds rockets!"
Vette: 355 cid, 400 rwhp
'13 CTS-V Coupe: 6.2L LSA, 556HP
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