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Boost with 100 Octane

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Old Jun 29, 2007 | 12:30 PM
  #1  
xtremeIX's Avatar
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From: Victorville, CA
Boost with 100 Octane

I have a 100 octane flash from WORKS which I've opened from ECU Flash and I'm interested in turning up the boost which right now is running at the 91 octane FLASH boost levels. In ECU Flash my target is currently 159.4 + 80 = 239.4 and in MitsuLogger I'm hitting around 232 peak engine load. I adjusted my wastegate duty cycles about 1.5% higher (all cells) and did another run with MitsuLogger and came back with 238 peak load. Is this a safe way to adjust boost and will I begin to get knock when I have set the wastegate duty cycles too high? I'm looking to up my boost to around 24 psi. I have the factory MR boost gauge which spikes at 1.4 and then hovers around 1.3.
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Old Jun 29, 2007 | 06:18 PM
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C6C6CH3vo's Avatar
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From: sc
I think your desired boost levels should depend on the timing and fuel maps used and the resultant logged data.

Stuff needed are: wideband A:F, knock sum, timing, RPM, load (2 byte best), and even airflow, and IPW. In other words, post some datalogged files with the respective levels of boost and someone would be more than happy to assist, and don't believe anyone who claims they can without any info
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Old Jun 29, 2007 | 08:13 PM
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UCB
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From: SJ, CA
Yeah, I wouldnt consider changing anything if your one tuning tool is the factory boost gauge
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Old Jun 30, 2007 | 08:00 AM
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strongly suggest you get 2byte load. my calculated load and 2 byte load showed difference upto 20-30's.
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Old Jun 30, 2007 | 08:16 AM
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From: Ft. Collins, Colorado
Whats "2bite load"?

im using mitsulogger, is the "load" colum "2byte load"
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Old Jun 30, 2007 | 08:31 AM
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From: Chelsea, AL
2-bye load has to be added to your ROM and definition file. Basically, the calculated load that you are likely using is simply an equation that is a pretty good guess at load based on several other factors. 2-Byte load is a recording of the actual byte responses the ECU uses to determine load. It's just a more accurate way of determining load.
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Old Jul 10, 2007 | 11:03 PM
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Check this bro https://www.evolutionm.net/forums/sh...ht=turning+afr
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