[Diy_efi] WOT tuning tool

[Adam Wade]

--- Karl Walter <krw at efn.org> wrote:

> A unit that the fuel injector connectors plug into,
> and plugs into the fuel injectors (i.e. inline)and
> could scale the pulse width by turning a knob.  It
> could be activated by tps ,and would need to run the
> comouter's output through a resistor, and measure
> the pulse width, calculate a new scaled pulse width,
> and run an injector driver circuit.

There's a bit more to it than that, especially if the
injector driver(s) check for possible problems with
the system based on "return signal" from the
injectors.  But basically what you are asking for is
an existing product from the motorcycle world, a
DynoJet Power Commander III.  I believe they only have
models that can handle up to 4 cylinders, but you
could use two units for a V-8 without trouble, I would
think.  There are gross adjustments on the unit
(push-button), and you can map them with a laptop for
more detailed load/speed mapping.

=====
| 82 Honda CX500 Turbo (Cassandra)  90 Kwak Zephyr 550 (Daphne) |
| "It was like an emergency ward after a great catastrophe; it  |
|   didn't matter what race or class the victims belonged to.   |
|  They were all given the same miracle drug, which was coffee. |
|   The catastrophe in this case, of course, was that the sun   |
|     had come up again."                    -Kurt Vonnegut     |
| M/C Fuel Inj. Hndbk. @ Amazon.com -  http://tinyurl.com/6o3ze |

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