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10-23-2006, 09:17 AM | #1 |
Scooby Specialist
Member#: 82612
Join Date: Mar 2005
Chapter/Region:
MWSOC
Vehicle:2015 WRX STI Ice Silver Metallic |
Rescaled MAF table question
If I have rescaled my MAF table back, will I see lower engine load, mafv, and g/sec flow numbers? I used to see 250g/sec, 4.5mafv, and 5.9 engine load numbers...now that I rescaled my MAF table I see 240g/sec, 4.4mafv, and 5.3 engine load's.
Does that seem correct?
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10-23-2006, 05:45 PM | #2 |
Scooby Specialist
Member#: 21980
Join Date: Jul 2002
Chapter/Region:
NESIC
Location: Central MA
Vehicle:2002 PSM WRX (Sold) 2017 BMW X5 |
Which way did you scale it? Depending on which way you scale it you can make the stuff go either way.
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10-24-2006, 10:50 AM | #3 |
Scooby Specialist
Member#: 82612
Join Date: Mar 2005
Chapter/Region:
MWSOC
Vehicle:2015 WRX STI Ice Silver Metallic |
Decreased voltage, and in one place increased airflow rate. So, basically it takes a higher mafv to reach higher g/sec air flowrate I beleive now. Makes sense to me!
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10-24-2006, 01:48 PM | #4 |
Scooby Specialist
Member#: 7555
Join Date: Jun 2001
Chapter/Region:
South East
Location: Charlotte NC
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Why did you rescale it? Larger MAF housing? I did one on a 3.5" housing and I had to scale up (massively). The MAFv numbers were lower for several reasons.
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10-26-2006, 09:10 AM | #5 |
Scooby Specialist
Member#: 82612
Join Date: Mar 2005
Chapter/Region:
MWSOC
Vehicle:2015 WRX STI Ice Silver Metallic |
Helped bring my target afr and realtime afr real close, within .1 to .2 of each other. For some odd reason the modded stock injectors flowrate is not quite linear I don't think...more of a curve to them, who knows. I just know what I did works though!
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10-26-2006, 09:15 AM | #6 |
Scooby Specialist
Member#: 7555
Join Date: Jun 2001
Chapter/Region:
South East
Location: Charlotte NC
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If it works, then it works I wasn't really questioning that you did it, rather why you needed to.
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10-27-2006, 07:54 PM | #7 |
Scooby Newbie
Member#: 103373
Join Date: Dec 2005
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Definitely works. Scaled the MAF down -22% to bring the actual AFR's to within .1 of the Map as akira02rex has done. Had to do this becasue upped pressure from the FPR which is a good alternative to replacing injectors.
You will see lower engine load etc so you must rescale you engine load columns as you don't want to be running excessive timing when leaning things out. |
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