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turbotwig
Joined: 05 Dec 2005
Posts: 149
Location: Newport Beach, CA
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 Posted: Thu Apr 07, 2011 2:22 pm Post subject: Semi-sequential vs. Sequential IJPU details |
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Does anyone know how a Motec ECU (M400 in this case) will deal with the IJPU in the case where you're running semi-sequential? The question I'm trying to understand is going from semi-sequential to sequential on an engine that was already tuned in the semi-sequential Mode 8. Do I need to double the IJPU and not change the fuel map numbers in the transition to sequential (mode 7), or has the ECU been simply dividing the IJPU in half all along?
-Kirk |
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hodgeiom
Joined: 17 Feb 2007
Posts: 12
Location: isle of man
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| Posted: Thu Apr 21, 2011 3:39 pm Post subject: |
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| when i did this a good starting point was to double the amount of fuel to each cylinder,in fuel overall trim,but its only a start,you will still need to retune the the whole fuel map. |
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