I suck at maths. help me find my injector deadtime @13.2v - Miata Turbo Forum - Boost cars, acquire cats.

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Old 04-24-2013, 03:43 AM   #1
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Default I suck at maths. help me find my injector deadtime @13.2v

FIC 650cc

injector voltage offset @ 45psi

8v/2600us
10v/1700us
12v/1250us
14v/950us
16v/700us

anyone decent at math want to find deadtime at 13.2v for me?? and dont tell me to go back to school
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Old 04-24-2013, 04:01 AM   #2
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It's not quite a linear function, but it's close enough to just interpolate. The lag at 13.2v should be about 1.07ms.
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Old 04-25-2013, 01:02 AM   #3
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Don't know if this helps but what I do is switch from alternating, to simultaneous
and try to get the same AFR..

Hold it at a steady rpm like 1.5-2k.
Start at 1.00 and +/- to get where you need to go. Pretty simple stuff.
Mine is more like 13.5 with the fan on but close enough?
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