Leading the pack was the much acclaimed R34 Skyline GT-R Z-tune, the latest and most extreme factory car Nismo has built. Half a dozen 400Rs followed close behind as well as the homologation special Fairlady Z S-tune GT and of course, the 270R, Nismo's first road car.
Installed HKS twin plate (GD pro) recently. Got the ice cream sound when holding the clutch which is norm, but will there be any sound (for example, very soft "eeeee") sound when the car is idle and not holding...
I have managed to succesfully interface all three items together to datalog a/f in actual RPM vs Boost. This makes it much easier compared to hooking up A/F at tailpipe and guessing.