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Old Apr 23, 2009, 02:20 AM   #1
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Join Date: Nov 2004
Location: USA
Posts: 3,196

Drives: 2006 EVO IX

Tephra Patch and E85/91 octane Injector Scaling

I noticed that the tephra patch ver 5.10 for switching between e85 and 91 octane only has one injector scaling and injector latency table.

I set the sacling for my 1000 cc injectors at 835 for 91 octane. If I want to run e85, then the scaling should be around 585 (30% less). Now if I use the patch and want to switch back to 91, then the sacling would stay at 585 and the car would run really rich on 91 octane.

Shouldn't there be a separate scaling/latency table in the patch for e85? Am I not finding it?

How do you guys get around this problem?

TIA
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2006 EVO IX, Stock
2002 Toyota Tundra, 207 hp, 271 ft-lbs torque
1998 SE-R Race Car, 2008 SCCA ITA SoPac Champion
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Old Apr 23, 2009, 02:27 AM   #2
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Posts: 3,196

Drives: 2006 EVO IX

nevermind....I found the separate scaling. I just did not look hard enough
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2002 Toyota Tundra, 207 hp, 271 ft-lbs torque
1998 SE-R Race Car, 2008 SCCA ITA SoPac Champion
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510, 91, e85, evo, injector, injectors, octane, patch, scaling, tephra, tundra

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