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Old Apr 1, 2007 | 03:51 PM
  #1  
richyvrlimited's Avatar
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Just want to double check a setting in the engine constants page, as I've not touched it in ages and have forgotton :( when calculating the req fuel number, is the AFR target 14 or 14.7?

thanks!
Old Apr 1, 2007 | 04:25 PM
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14.7 i asked the same thing earlier.
Old Apr 1, 2007 | 04:48 PM
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though not in boost there you want it to be 13 or less to 1
Old Apr 1, 2007 | 04:51 PM
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Of course, but the req fuel has to be calculated with the stoich value.
Fuel map should compensate when under boost.
Old Apr 1, 2007 | 05:18 PM
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that is really just how you tell the ms what kind of fuel you are using.
Old Apr 1, 2007 | 05:22 PM
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That's right, for ethanol it would be like ~9 i suppose. The 14.7 lets MS know you're using gasoline.
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