DFI controler desription

[Robert E. Yorke]

David:

Other than the features you mention in your post, I would like to see
closed loop control, and some provision for Torque Converter Clutch (TCC)
control for those automatics that have this...... I'm looking forward to
your offering this for sale.

At 11:55 PM 2/18/97 -0600, you wrote:
>Thank you all for the interest.  I have responded to the list to keep from
>sending out the same message over and over.
>
>The system I developed is made for the beginner.  It is not intended to be a
>super featured unit.  At least at this time.  One uniqie feature is the
>ability to tune the basic fuel parameters using a screwdriver just like a
>carb.  A bit more precise than a carb though.  It also can be further fine
>tuned using an IBM pc.  It is however fully possible to run a car without
>ever attatching the pc, especially on stock cammed engines.  It is currently
>batch fired and can run either throttle body or port with high or low
>inpedance injectors.  A future version will be atempted to be sequential
>with no engine mods.  Going to use a pickup off of the distributor.
>Currently it has no ignition control, but the next version will, I hope.
>The next version will also have closed loop ability.  It currently runs
>speed density and has inputs for engine temp, throttle position and MAP.  It
>will trigger directly off of a coil.  It will work on one to 8 cylinders.
>The screwdriver adjustments are for Idle, Power point, Wide open throttle,
>Accel, Choke.  It connects easily with just a terminal strip.  I have used
>it on motorcycles and cars.  Even have one running with only a Map sensor.
>It even starts ok as long as it is not too cold out.  By switching out a
>stock control on a 280z for my control, the car pickuped a full second in
>the quarter. I am currently adding new features and changing the startup
>portion of my code.  I found some things that I did not like.  After all I
>use one on my personal daily driver.  The Pc software will allow on line
>changing of parameters an monitoring with bargraphs.
>
>I would like to know if there are any features that people would like.  Some
>of the things that I am thinking about are:
>  Fan control
>  NOS control
>  Controlling Ford and GM factory direct ignitions with stock crank sensors.
>Would makd for easy retro of new engines like the Ford 4.6
>
>What other features would people like to have?  Let me know and I will work
>on them.  
>
>I am expecting to have a new control out by summer and will have a more
>complete description and solicit interest then.
>
>Some people expressed interest in schematics and info.  While trying to sell
>a product, I can not give out this info, I would be willing to answer
>questions to aid some one in making a school project work.
>
>David Doddek        pantera at pobox.com        217-422-3722
>69 EFI Fairlane, 89 T-bird SC, 74 Twin turbo NOS EFI Pantera (I like to go
fast)
>
>
>
Riverside, CA
2 '88 GTs!