The 370Z throttle is definitely not as sensitive compared to the 350Z. I test drove my cousin's '06, and I kept giving it gas too early. Perhaps it's for easier engagement. Past that point, however, the 370Z definitely pulls harder and longer.
For a long time I thought the lagging throttle was normal until I saw the thread about the brake switch being off. That definitely fixed the lagging throttle issue and not being able to achieve 100% throttle position. It still doesn't remedy the situation where at times the Z stalls a tiny bit, but it may improve a tad with VDC inactive.
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