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      09-20-2012, 06:40 PM   #28
old account 2
Second Lieutenant

Drives: Stage 3 B5 S4, C5 Z06
Join Date: May 2012
Location: CA

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Originally Posted by JamesM3M5 View Post
True, but can they build the same boost at low RPMs as a turbo? Coming from the individual throttle S14, S50Euro, and S38 world, turbo lag was a new thing for me. Fortunately the tiny little coffee cake roll sized turbos we have are rather fast at our pressures. Does the S4 blower make significant boost at, say, 3000-3500RPM? Or is it better to just start higher up, maybe 5000-6000? Just curious...
In my experience, yes it will make boost faster than a turbocharger. While they do not make huge torque like the newer turbocharged cars, they will make it earlier (80% of peak torque available by 2800 RPM).