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Old 07-15-2014, 03:56 PM   #47
ptuning
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Originally Posted by Synack View Post
It's my understanding that you can increase as much timing as you need for it to keep making power until it starts to ping/spark knock. Then back off a little bit. Then compensate your tune and boost to make your power goal. (If it's possible with your setup)
You will actually want to tune it for MBT (minimum best timing) on the dyno. With your lowered compression ratio and especially at low boost levels, you will likely be going well over MBT under most load/rpms ranges if you try to tune off of the ECU's knock feedback. The only reason tuners (not all) are able to sort of eTune the timing on this car is because, even at lower boost levels on the stock compression, you'll likely be dancing on the edge of knock feedback at most load points before you even reach MBT.

When ETuning, it's best to start off with a known working map that you've developed on the dyno over an extended period of time. This ensures that the ignition and cam timing that you start off with will be close to where it needs to be.

- Toan
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