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does anybody have logs of MAF signal voltage vs g/sec on hitachi? (STOCK!)

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Old 08-31-2006, 03:55 PM
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Default does anybody have logs of MAF signal voltage vs g/sec on hitachi? (STOCK!)

assuming maf = a*v^2 + b*v + c

what are a, b, and c?

for the (small amount) of data i have:

the simplest model is 10,0,0 or 11,0,0

the next simplest model is 12,-6,0

the next simplest model is 13.3,-11,6
Old 08-31-2006, 03:55 PM
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also, what is the absolute max hitachi MAF value you know of (stock)
Old 08-31-2006, 03:58 PM
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Shoot me an email, don't have logs but have more interesting for ya if this what u into!
Old 08-31-2006, 04:07 PM
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Default ygm.

i have a ZILLION questions i'd like to ask you...
Old 08-31-2006, 04:10 PM
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Do please share. Always nice to learn something =-)
Old 08-31-2006, 04:18 PM
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Default my fits

<center><img src="http://nyet.org/cars/images/maf.png"></center><p>where f(x) is a*x^2 + b*x + c
Final set of parameters Asymptotic Standard Error
======================= ==========================

a = 13.2934 +/- 0.6986 (5.255%)
b = -11.6566 +/- 3.251 (27.89%)
c = 6.25545 +/- 3.406 (54.45%)
Old 08-31-2006, 04:31 PM
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Default i will share what i can.

and i have a mini project im working on. at some point i'll be asking for input..
Old 08-31-2006, 04:35 PM
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Well do a nice graph with the spreadsheet I gave you, should be better IMHO
Old 08-31-2006, 04:42 PM
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working on it as we speak!
Old 08-31-2006, 05:04 PM
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&lt;tracking thread&gt; BTW, Minhea YGM.


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