Hi guys,
Short answer: Yes.
Truth is, my title claims this is Stage I. Sam was confident enough in this that he sent Stage II turbos, so it's actually a Stage II setup. Like you, I was wary of a boost
out of range of my everyday driving. Well, it's almost immediate, and there doesn't appear to be any loss pre-boost.
I'm having my cake and eating it; slice-after-slice.
Here's a VERY short and non-authoritive clip.
First is a 1/4 throttle run up the gears in DS from first, and then I slow down and do it again at 1/2 throttle. I think I cautiously rolled back a bit because it hangs in second a bit long, but you get the idea. The second one chirps it a bit in second. You can see the traction light flickers on. Cold roads, and unsafe, as you can see.
YouTube - Infiniti G37S - GTM Twin turbo - 5 speed auto w/kit
What's impressive is not only the immediate power, but the firm shifts.
Coop