Re: Inlet air temp testing

Steve,

Did you have any luck with the new location?  I am looking for suggestions
on locating the air temp sensor.

Cheers,

Tom

----- Original Message -----
From: "Stephen Foster" <[email protected]>
To: <[email protected]>
Sent: Sunday, July 27, 2003 9:40 AM
Subject: Re: [Sevens] Inlet air temp testing


> I've heard and experienced the high air temp sensor readings with it on
the
> backing plate...
> I am trying it right at the front on the plate farther through the plate
in
> the airflow but still behind the foam.
> I'll let you know what I see.
> Regards,
>  Steve Foster
> Speedy Steve's Workshop@
> www.speedysteve.co.uk
>  Lotus 7 club area site
> http://www.strangely.org/7club/index.html
> ----- Original Message -----
> From: "Tor Atle Lunde" <[email protected]>
> To: <[email protected]>
> Sent: Sunday, July 27, 2003 3:12 PM
> Subject: [Sevens] Inlet air temp testing
>
>
> > Car is now back on the road with no apparent faults - very pleasing!
> >
> > For reference the engine is a DVA'd 1.8K @ close to 200bhp.
> >
> > I am running the standard old style copper radiator. This rad is mounted
> 2cm
> > higher and about 5cm back in the chassis than normal. Thermostat is 74
> > degrees. Coolant is only water at the moment. Ambient temp today was 22
> > degrees C. I am pleased to say that during pretty spirited driving we
> never
> > saw 80 degrees, and at high speed (140-150 real km/t, thanks to the
Sigma
> > speedo) the temp was falling.
> >
> > Air temp. Sensor is located inside the ITG air filter, mounted on the
back
> > plate. With a hole in the bonnet (carb style) the temp was stable,
showing
> > 37-40. Not good. We then took a run with the sensor sticking outside the
> > bonnet, and it stabilized at 25 degrees. Should have been 22, but ok.
> >
> > Sadly my friend with the laptop had to end the testing early. What
remains
> > to be confirmed is if  the 37-40 degrees was representative for the air
> > sucked into the trumpets or a result of temperature transfer from the
air
> > filter back plate (which was hot-ish). The trumpets are 90mm and could
> > easily be swapped for the 120mm type.
> >
> > I am thinking of making up an alu plate that isolates the air intake
more
> > from the engine heat, forcing it to suck air through the bonnet hole,
but
> > I'd like to do a little more testing first.
> >
> > As always, comments welcome.
> >
> > Tor Atle
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