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Old 2007-12-03, 11:14 PM   #4
IheartSTI
EJ22
 
Join Date: Jun 2004
Location: Reno soon....
Posts: 473
 
Car: 05 sti and 08 honda fit
 
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Quote:
Originally Posted by Dean View Post
Race fuel is not required. 91 octane can take a little more timing, especially at altitude.

The knock sensor does little good in open loop/higher RPM where most power is made, so it can't protect you when you need it. This is why logging and the right gauges are critical.

EGT, Wideband 02 and some form of determining HP/torque is how you determine how much timing to use.

There are a bunch of references in a thread I started a while back and haven't gotten back to.

http://www.seccs.org/forums/showthread.php?t=5829
after reading the information on that thread it explained a lot of things in great detail... thanks
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