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Old 01-18-2007, 11:16 AM   #1
eTiMaGo
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while we're on the subject...

From what I understand, when running a turbo, it is preferred as a basic tweak to richen the air-fuel mixture in order to reduce knocking.

Seeing as this ECU is so far quite hard to trick, would it stand to reason that a workaround, (when working with a low-boost turbo anyway), could be the usage of a higher octane fuel?
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Old 01-18-2007, 11:23 AM   #2
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Quote:
Originally Posted by eTiMaGo View Post
while we're on the subject...

From what I understand, when running a turbo, it is preferred as a basic tweak to richen the air-fuel mixture in order to reduce knocking.

Seeing as this ECU is so far quite hard to trick, would it stand to reason that a workaround, (when working with a low-boost turbo anyway), could be the usage of a higher octane fuel?
No, unless you want to run C16 all the time, and there is still risks doing that. The car needs to be tuned for the turbo. Unfortunately c16 will kill the 02 sensors in short order.

You want to run around 11:1 AFR under open loop conditions. The car as stock is probably close to 13:1. Youll burn the motor down in short order without a tune.
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