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Let's talk octane...

Originally Posted by Red__Zed some fuel formulations don't blend well together. And running the aggressive map when it's not suitable puts you at risk of detonation. Originally Posted by MightyBobo

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Old 11-06-2011, 03:29 PM   #1 (permalink)
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Originally Posted by Red__Zed View Post
some fuel formulations don't blend well together. And running the aggressive map when it's not suitable puts you at risk of detonation.
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Originally Posted by MightyBobo View Post
If your tune is for...say....93 octane and its a VERY aggressive tune...but you can only source 91 octane at the time? That could be risky.

Other than that, with a comfortable tune, I see no reason why it'd be risky.
Gotcha. I've run FI before, but I've never tuned for anything above what I could get at the local pump.
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Old 11-06-2011, 03:32 PM   #2 (permalink)
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Gotcha. I've run FI before, but I've never tuned for anything above what I could get at the local pump.
If I were running FI, I'd make sure my system I had could handle multiple tunes on the fly, based off boost/octane. That way I can change to whatever I have available at the time...

Fuel saver tunes are nice, too
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