Quote:
Originally Posted by cossie1600
why do you guys bother on a stock ecu? car is tuned for a maximum of 91.
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its not so much to add power but for extra insurence. After running the car hard for awhile the engine will heat up and could possible get a few degree's of knock. Having the higher octane will prevent that.
I only run 94 octane in my car for that reason, even though my tune is still stock.