DIY_EFI Digest V5 #432

J. Creech jcreech1 at olemac.net
Thu Jan 4 16:51:55 GMT 2001


One drawback to the dataloggers that run off the ECU tho' (Technomotive),
they only "count" the freq. up to 1606Hz. I don't know why, something to do
with the OBD I software.

Scott Creech


----- Original Message -----
From: "Tom" <Le_Tette at hotmail.com>
Subject: Re: DIY_EFI Digest V5 #432


> Newer Ford MAF's are not even close to being linear.. or easily modelled
by
> a single multi-ordered equation.
>
> You can get an approximation of yours by using one of the Data Loggers
> available for your DSM. (1g I assume since the 2g maf is good for 40
lb/min
> or are you building a 10 sec car?) With an unmolested air meter, log the
air
> mass and compare that to the frequency of the meter. You can either use a
> multimeter, S-AFC, MASC, or other gizmo to get the raw maf frequency
signal.
>
> Regarding the other thread.. There is no reason to vent the BOV to the
> atmosphere. Don't be a riceboy.
>
> -tom


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