#WHAT IS ECU TUNING MODS#
And now that we have an optimal tune for Pearl’s mods, we can simply apply the same tune onto another S15 with identical mods (cool huh?). How much power will Pearl get without blowing up anything?ĭon’t let the video fool you though, creating the optimal tune didn’t take 2 minutes and 30 seconds… it took several days of road tuning and constant revisions as we didn’t have access to a dyno until the final tune. So equipped with our Nistune license, software, laptop consult cable and desire to learn, Jay and I went about creating the “best” tune for my S15. Yup that’s pretty much all there is to it which makes it easy to question the value of using a workshop to tune your car.
#WHAT IS ECU TUNING SOFTWARE#
No… on the most basic level it essentially involves watching a gauge, adjusting boost, modifying some values in the tuning software whilst running your car on a dyno and then going for a spin on the road to ensure it’s all running correctly. It’s no special dark art where ECU sacrificial rituals and voodoo ceremonies are performed just to get those extra “killawasps”. So what exactly is the “tuning” that workshops perform behind the scenes?
#WHAT IS ECU TUNING PROFESSIONAL#
Sure, they might be reputable workshops with professional mechanics but spending $1000+ (excluding ECU costs) for work that isn’t really laborious seems a tad exorbitant. Like most of you, I didn’t like the idea of leaving my beloved in someone else’s hands and paying wads of cash for something I had no idea about. This time around however, I had better ideas. The next logical step for most would have then involved paying someone a visit (usually a workshop) to “tune” my car – I went down this route 8 years ago with my GC8 WRX. Highest horsepower Ferrari 488 in the world (dyno verified) where we gained 200WHP and 200WTQ on 91 octane.In my latest pursuit for more power and response for my treasured Nissan S15, I recently embarked down the ECU tuning path by purchasing a Nistune Type 4 daughterboard and installed it into my stock ECU. Oftentimes these map definitions are in automotive German and abbreviated, which is a difficult task in and of itself, but with these tools, we are able to extract more power than the competition and do so safely on all fuel types regardless of mods. The painstaking process of reverse engineering that HD undergoes for every new model includes purchasing Damos files from the manufacturer in order to define and scale the 8 megabytes+ of binary data in the current generation ECU's. A torque limit can be any limit on the throttle, boost, timing, or fuel. We do not just change ignition timing and air-fuel ratios, we go much deeper in the file to find hidden power in the form of "torque limits." Torque limits are how modern ECU limits power and efficiency. The HD moniker was appropriated because of the great detail Matt goes into to extract maximum power out of a vehicle while retaining reliability. Matt has been tuning vehicles for a decade and before branching out on his own was doing tuning for the likes of Powerchip, Evosport, Weistec Engineering, BBI Autosport, Brabus, and many more. HD Tuning was started by Matt Bekam to provide premium engine calibrations for most European and luxury vehicles.
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