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#4: 04-15-2011, 03:39 AM
 
 BAC5.2
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Title: OTM Dir. of Engineering
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Quote:
Originally Posted by cypher0117 View Post
the compression ratio is lower to allow the extra volume of air/fuel during full boost. The high octane is really only effective when your turbo is spooled. The added pressure from extra fuel/air brings the cylinder pressure higher than a normal combustion engine which is why you need the higher octane.
None of this is entirely accurate.

Last edited by BAC5.2; 04-15-2011 at 03:55 AM..