Quote:
Originally Posted by Tommeh
Can someone explain what a custom tune consists of? Like do you just drive your car up with the stock DME and they tune off of that? Or do you need a piggy back, or flash? I have been wanting to go to a custom tuner and get reliable power for MY car...
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If you have an accessport (cobb), the tuner (or you) will load a standard off the shelf cob map onto your car (from the accessport). this will be the starting point. From there he will put your car on a dyno and log/monitor various parameters. He will then use cobb's atr software to modify the parameters as he sees fit. He will then load this updated map onto your car. Rinse and repeat until the tuner is happy.
You can also get an etune, where you do your own logging by driving. You then email the cobb map to the etuners, he makes adjustments, you load that map. Rinse and repeat.