[Diy_efi] WOT tuning tool

[Diesel Services]

Hi Jacar electronics have just released an interceptor kit ,sounds like what 
you want ,you need to buy the tuning module also.I have just bought one 
.nice kit good price easy to assemble .I havent fitted it yet
cheers Brent
----- Original Message ----- 
From: "Karl Walter" <krw at efn.org>
To: <diy_efi at diy-efi.org>
Sent: Thursday, February 17, 2005 7:21 AM
Subject: [Diy_efi] WOT tuning tool


> Hello,
>
> I have been tuning 1227747 ECU eproms for several throttle body injected
> applications with pretty good sucess.  Idle is easy with a CO meter and an
> eprom emulator.  Cruise tunes itself, but Open Loop wot mode is a guess
> and check, with tons of test drives.    A mixture meter on a second o2
> sensor helps, as does datalogging with winaldl, but I'm dreaming of
> something like this:
> 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.
>
> Has anybody seen such a unit?  Could this be done by cutting into the ecu
> just before the injector output stage, and making a scaler circuit that
> feeds at that point?  I have no problem sactificing an ECU To make a
> tuning tool.
>
>
> Maybe a stand alone unit with an extra injector or two, temporarily set up
> to richen as needed.  Wouldn't be able to lean out, but might be helpful.
> Could be made with all off the shelf parts, but would need fuel supply.
>
> What do you think?  --Karl
>
>
> 


_______________________________________________
diy_efi mailing list
diy_efi at diy-efi.org
http://lists.diy-efi.org/mailman/listinfo/diy_efi