TwinTurbo.NET: Nissan 300ZX forum - Re: Re: What formula is used in tuning software to define
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Subject Re: Re: What formula is used in tuning software to define
     
Posted by Pontisteve on August 06, 2015 at 1:35 AM
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In Reply To Re: What formula is used in tuning software to define posted by zromtech on August 02, 2015 at 12:55 PM
     
Message That's what I was looking for, thanks you zromtech!

The only thing is I'm coming up with some pretty big numbers, like 2700. What units is this?

Example: A 5v MAF pegs at 65535. Let's say that a stock WOT Z hits 4.5v maybe, which is approximately 58,981, at say 6400 RPM. So TP = 288 * 58981 / 6400 = 2654.

Two problems here. One, that's nowhere near a pulsewidth. And two, if it is some other unitless number, how do we get from it to a pulsewidth (which I assume might be around 20 ms somewhere)?

Or could this be in units of microseconds? 2654 us = 26.54 ms?

     
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