[Diy_efi] EFI interface database

Mike erazmus at iinet.net.au
Thu Mar 13 07:18:33 GMT 2003


Interesting data, thanks for the link Jeffrey,

My AFM is for my GMH 1986 VL Turbo which in factory trim puts
out 150Kw flywheel, at moment its just on 180Kw fly after lots
of exhaust mods and higher boost. I hear rumour the AFM is
good for just over 200Kw but cant be sure, its a Bosch part
and the number is:- 0 280 212 008 and here is a picture of
it mounted on the air box:-

http://members.iinet.net.au/~erazmus/Twin_tyre_vehicle/Lg_Bosch_AFM_0_280_21
2_008.JPG

Hope its detailled enough ;)

It would be great to get some cal curves for that particlar unit as
I heard someone had a setup which used two side by side <sigh>

rgds

mike



At 09:15 AM 3/12/03 -0800, you wrote:
>Mike,
>
>You can find typical flow tables on the Pro-M site
>(Pro-M makes replacement MAF's for Ford engines).
>  http://www.pro-flow.com/flow%20sheets/37ptflow.htm
>
>There are also several "Tuner" or "TwEECer" groups
>that have or can extract that sort of information.
>
>If you have more specific needs, I may be able to
>help.
>
>Jeff Engel
>Arlington, TX
>--- Mike <erazmus at iinet.net.au> wrote:
>> At 02:28 PM 3/12/03 +0100, you wrote:
>> >However there are two fields when a collective work
>> could help:
>> >2. data logs (real-time measures) collected on
>> running engines.
>> >The point 2 is important as many of us still does
>> not have
>> >clear idea about how sensor outputs must be
>> processed prior
>> >being used by the engine management algorithm.
>> 
>> I'm having a close look at this at the moment and
>> intend using
>> the same CPU as I have in mind for a relatively
>> simple EFI ECU.
>> 
>> Essentially I am setting up an auxilliary dash board
>> on top of my
>> current dashboard with some logging capability, for
>> a turbo some
>> of the things I want to observe are AFR and
>> differential fuel
>> pressure - as I would like to increase boost and
>> injector
>> sizing. One display parameter is a large linear
>> graph of
>> injector duty cycle, fuel flow rate (summ inj DC),
>> AFR, MAF
>> and have these displayed simultaneiously with
>> selectable
>> scaling so I can pin down relationships visually and
>> more
>> or less directly whilst driving and not have to
>> shift my
>> eyes to a laptop. ie. Neuro-kinesthetically whilst
>> driving
>> so I can observe the effect during the same period I
>> feel it !
>> 
>> Well, <cough> thats my aim <sigh>
>> 
>> But still want some cal graphs for MAFs - anybody ?
>> 
>> rgds
>> 
>> mike
>> 
>> 
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