Kansas City

m3chhawk

Meh, not exactly true.

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victorofhavoc

i personally feel a road tune is the most ideal because a dyno simulates perfect conditions and you rarely get that. e-Tunes are road tunes that take longer because a person isn't in the car with you. I've never let a tuner solely give me a dyno tune...it's always road then touchup low end and redline fueling a bit on the dyno

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Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z!

m3chhawk

I don't disagree as a general statement, but the Z/UpRev doesn't have a usable air/fuel or the ability to record the knock sensor.

Also an eddy current dyno allows you to properly simulate road load coefficients.

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tower74

Agreed. I did this with my first turbo charged Z and it was a nightmare. You only receive a basic tuning screen and unless you know exactly what you are looking at they can screw up your car and they will not be held responsible. You really need a real tuner to see what is happening and what he is feeling. It was hard to describe some of the things happening unless you do it every day not when you are road tuning it for the first time. Hell, when I put it back to stock and loading the stock tune it almost screwed up my car because we forgot to remove the larger injectors. Leave it to the experts when it comes to tuning. Trust me.