Originally Posted by fordplay
Here is the thing... everyone who works in any retail business inspects their rivals products, GM admitted to having an entire shop devoted to reverse engineering, FORD does it. Samsung does it, apple does it, what makes you think AED and bama haven't? OK AED data logs , so does bama if you ask, dyno tune is best followed by a datalog tune, then mail order, and I'd say they are the same exact tricks in each tune.
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Tuners cannot see eachother's tune files when they are looking at a cars computer.
As for the same exact "tricks", that isn't true either. A couple of the major tuners has/had inside information from the engineering department at Ford which gave them ahead start of everyone else in 2010 right before the Coyote was released. That is the reason why you saw these two major email tuners doing so well and others like Bama who were not privy to the information blowing up more shit than Al Qaudea trying to figure it out on their own.
Originally Posted by DirtyD
Here is where you can start to argue.
A dyno tune is a tune conducted in a controlled environment. The car isn't truly driving around, and if tuned fro WOT almost exclusively.
An email tune works exactly like a dyno tune. You are monitoring the same parameters as the dyno tune, but you are also tuning the part throttle and driveability of the car, which to 95% of the people that get tuned, live most of their lives. Having better driveability is much more important to me than squeezing out a few extra ponies when I'll only be racing every so often.
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While it is true a dyno tune can only get so close to duplicating the real environment load that takes place on the street, it's still the safest way to tune a car in a legal manner.
I personally think email tunes are an unsafe way to tune a car. You are taking a big risk making pulls on a partially untuned car. Yes, some of these tuners have procedures they explain to owners how to do datalogs for them in increments but something can still can wrong causing damage to the motor. Therein lies the problem with email tuning a car is no live tuner sitting in the car watching as the pulls are taking place.
The BEST way for optimal tuning is street data logging with the tuner in the car in the environment the is intended to be used on real load and air. If something doesn't look right, the tuner can tell you on the spot to stop the pull right then and there. By doing this not only can you be assured you are getting a proper safe tune, but also get the most power and best possible drivability. There is only so much a tuner can do when he doesn't actually put his hands on the car.