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      02-13-2018, 01:14 PM   #58
FrostyDC4
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Drives: C63S Sedan|350Z
Join Date: Nov 2016
Location: Somewhere, AZ

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2007 Nissan 350Z  [0.00]
2012 BMW 135i  [4.50]
Quote:
Originally Posted by bbnks2 View Post
N54 twin turbos still win. The restriction at low RPM is fueling from the HPFP and not necessarily the turbo setup on either car. Both cars max out at around 500wtq... There is such a small difference in spool between the twins and the twinscroll that it's hard to measure or see in a dyno graph. N54 might see full boost 100rpm later? There is a bit more lag to the N54 in constant on/off throttle situations though which makes the N55 twinscroll a bit better for track driving if you don't care as much about raw power output. Most track oriented cars run twinscroll EFR turbos for to improve transient response over focusing on increasing peak power.

500wtq on a stock turbo 1st gen N55 in the E chassis cars?


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