Idle air control hardware

[Andrew W. Macfadyen]

I was thinking it over last night you could simply use an "anti-running on"
solenoid valve with a restrictor  --- it would only give one increment of idle
speed though unless you used more than one valve.

Mike Morrin wrote:

> Walter,
>
> Thanks for the suggestions,
>
> I will see what I can find.  I have a few ideas for making my own, but they
> will require an amount of fiddly mechanical work.
>
> regards,
>
> Mike
>
> At 01:16 AM 8/16/98 -0500, you wrote:
> >Mike,
> >don't know about Japanese, but Mercedes V8's had a nice setup
> >in the 80's that you might be able to find at a junk yard.
> >It's an idle air valve with it's own ecu. Has inputs for
> >idle (you'd need to add a switch), A/C clutch signal and
> >engine oil temp (you'd need to use this sensor).
> >
> >The problem would be to convert the twelve ignition
> >pulses to eight.
> >
> >There was also a Mercedes 280 (6 cyl) but I don't know
> >if they had the same idle control system. If they did,
> >and you have the Marelli twin coil ignition, it should
> >work if you use the ecu from the 280 and the valve from
> >the Mercedes 500.
> >
> >Another, maybe better source might be an L-jet 6 cyl BMW
> >like the 528.
> >
> >  Walter
> >
> >Mike Morrin wrote:
> >>
> >> For my Jag V12 project, I would like to have ECU control over idle speed.
> >> The original Bosch/Lucas EFI used a mechanical valve driven by a wax bulb
> >> in the water rail.  Something more sophisticated seems to be in order.
> >>
> >> I would like to know what the junk-yard options are.  In this country there
> >> are no Detroit iron lumps in the junkyards,  are there any Japanese engines
> >> which are suitable donors?
> >>
> >> How much would new hardware from the US cost?
> >>
> >> Any other suggestions?
> >>
> >> TIA
> >>
> >> Mike
> >
> >