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    • Comparing ESS VT2-625 E9X M3 S65 V8 supercharged output vs. the Gintani Stage X supercharger kit on a Mustang dyno

      ESS-Tuning made their name in the BMW aftermarket with superchargers and questionable marketing on forums. Even today you can go on on a certain forum and the replies telling you what the best E9X M3 S65 V8 supercharger kit is will likely all blindly point to ESS-Tuning. Money can and will buy that kind of advertising on certain forums.


      Yet, for some reason Gintani and not ESS has custom tuned kits built around an upgraded S65 fuel system and ethanol. It takes far more skill to upgrade the fuel system and custom tune to extract the maximum out of the stock internal S65 V8 than simply tuning a lower boost kit not pushing any limits.

      Need proof? Here it is.

      Look at this Solo Motorsports tuned (not an OTS file) E92 M3 with an ESS VT2-625 supercharger kit:




      492 wheel horsepower is very nice output.

      It just is not impressive when compared against the stock internal world record holding BimmerBoost.com E92 M3 with a Gintani Stage X kit on E85:



      A difference of 171 wheel horsepower on a Mustang dyno is night and day.

      Yes, the Gintani Stage X requires headers and an upgraded fuel system but considering you are getting roughly 200 whp more if measured on a Dynojet the Stage X shows a whole new level of skill and capability. The Vortech T-Trim head unit also has more headroom than the V3si ESS chooses.

      As a reminder, the stock internal 1/4 mile record also belongs to Gintani on the E9X S65 V8 platform with a 10.3 @ 136 pass that BimmerBoost.com hopes to improve on at the May 5 BoostAddict.com Drag Day.

      This article was originally published in forum thread: Comparing ESS VT2-625 E9X M3 S65 V8 supercharged output vs. the Gintani Stage X supercharger kit on a Mustang dyno started by Sticky View original post