03-05-2010, 09:22 AM
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#11 (permalink)
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Enthusiast Member
Join Date: Jan 2010
Location: Alpharetta, GA
Posts: 267
Drives: 2010 370Z Nismo TT
Rep Power: 16
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Quote:
Originally Posted by Kyle@STILLEN
That information will be in the press release. We're working on the press release right now and hope to have it ready soon.
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Kyle - no offense meant, but I am not certain why dyno numbers can be posted but not the PSI which netted such numbers? The only option I have is to believe that it is a pretty high poundage which would be detrimental to the longevity of the stock motor? Knowing what I do about the Vortech blowers, I honestly can't imagine that it was under 10psi.
Quote:
Originally Posted by Phimosis
The dyno numbers look great. The torque curve is what I expected from a centrifugal supercharger. I'm still surprised/confused about GTM's torque curve. It looks like a roots or whipple supercharger, not a centrifugal. I've got a bunch of Stillen parts on my car as it is. I just want to know, when can I get the Stillen supercharger kit? I've had my Z for a year with N/A. I bought it because the Camaro wasn't availabile. Then the Camaro guys got their supercharger in just a few months. I know you guys had a prototype back G37 back in 5/09. Please, just give me a date when I can get your shop to install one!
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The GTM vs. Stillen torque curves is easily explained. Both are centrifugal blowers which are, in essence, like turbo chargers. The smaller the charger, the more torque it will create down low due to the reaching of full spool in the lower RPM range. GTM's rotrex is pushing more air at lower RPM due to its size. Conversely, the Stillen (Vortech) blower is taking longer to reach full spool due to it being fairly large. This easily explains its lower torque below the curve.
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