Just remember that those values are a close approximation (varies from vehicle
to vehicle) and that one setting doesn't always work on another like vehicle.
The "sweet spot" on the 3.9/5.2/5.9L is in between 70-50 degrees and the 4.7L
seems to like the 50-30 degree range. These are weather depending and will not
always work the same on different days.
- Bernd
> Here are some values when the IAT sensor is replaced
> by resistors.
>
> Resistor (ohms) IAT temp. IAT signal
>
> 3.9K 118F 2.69v
> 4.7K 109F 2.94v
> 7K 89F 3.47v
> 11K 73F 3.85v
> 15K 60F 4.10v
>
> These are 1/2 watt resistors and all that was available.
> Testing was done on the driveway and ambient temp.
> was 64F, 54% humidity.
>
> I tested the 4.7K resistor first as this is the one that
> is most often written about on the web (mainly from
> the Stang crowd). I was quite surprise with the result
> as the Stang give a 59F reading.
>
> I have not run with them at the track. Weather looks
> good for this Saturday.
>
> Bob Tom Burlington, Ont., Canada
> '97 Dakota Sport, 4x2, CC, Flame red, 5.2L, auto., 3.92SG
>
>
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