SV: FW: MAF Upgrad

Stefan Olsson stefan.olsson at bsrab.se
Mon Mar 2 16:07:22 GMT 1998


Hi

Iam very interested!!

Best Regards
Stefan
-----Ursprungligt meddelande-----
Från: Bill Eubank <Bill_Eubank at cidcn00005.cidc.cummins.com>
Till: diy_efi at esl.eng.ohio-state.edu <diy_efi at esl.eng.ohio-state.edu>
Datum: den 2 mars 1998 16.41
Ämne: Re: FW: MAF Upgrad


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>Well, why not put a little box between the sensor and the ECU?  The little
>box would intercept the MAF signal and output another signal based on a
>lookup table.  The advantage here is that you need to change little of your
>stock setup.
>
>I do microcontroller hardware and software design for a living.  So I would
>use a micro that has and A/D and EEPROM for nonvolatile table storage.  The
>analog output could be done with a D/A converter ...  The lookup table
>calibration would be done with PC (or laptop) connected with a serial cable
>to the little box.
>
>I may want to take this on as a side project if there?s interest ...
>
>Hacker Bill
>eubank at tc.umn.edu
>
>>  In order for a bypass to work,
>> you must have roughly the same pressure drop ratio at low flow to high
>> flow as the MAF alone (as pressure ratio is related to flow).  Flow
>> bench would tell you easy.  Little differences should be handled by
>the
>> HEGO.
>> ---------------------- Forwarded by John R Bucknell/JTE/Chrysler on
>> 02/26/98 03:02 PM ---------------------------
>>
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