There has to be some reason why the car starts losing throttle response after driving it for awhile. If it's a lag in the actuator system, then it would lag from the start. As for DBW, I never had issues with the VQ35DE power delivery. It was fun giving people whiplash when I tap the throttle, but that eagerness isn't there in the 370Z. It was eager to rev and felt like it had a light flywheel when I test drove it. :dunno:
For owners staying N/A, I'd like to see what the results of ECU tweaks would bring especially after driving for long periods. I'm planning to force feed this motor next year, so hopefully the ECU tweak will also improve low end response.
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