TwinTurbo.NET: Nissan 300ZX forum - So you are stating here on the forum that JWT makes the--->
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Subject So you are stating here on the forum that JWT makes the--->
     
Posted by Kyle(Houston) on January 15, 2003 at 10:11 PM
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In Reply To No, its not dependent on how high you set it. It can only posted by AshsZ (FABio) on January 15, 2003 at 10:01 PM
     
Message "Since the low octane map is the same as the high octane one, the timing point it uses will be identical to what it was when it originally detected knock in the high octane map. At this point, the timing is now 4 degrees higher than what it was after retarding it in the primary map. So when it switches to the low octane map, its doing this because that map is supposed to be less agressive. The ECU doesn't look at it and say its not going to use it because it is the same, it just starts using it regardless. The idea of the low octane map is to provide additional timing retard and fuel enrichment in the event something isn't right. By making the low octane maps the same as the high octane maps, you are cutting its safety ability in half."

So you are stating here on the forum that JWT makes the Low octane(safety boost) map EXACTLY the same as the High octane full boost map?? What gain would he have to do that if the low octane(safety boost) map is only accessed when a problem is sensed?? Why would he go into the low octane map and purposely change it to a more advanced timing mode to match his high boost/high load maps???

Kyle "Grumpy Bear" Puckett
ICQ #727815
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