Personally, I'd think it best to keep the sensor in the path of the incoming
air to the engine, as originally designed. I tried it both ways on my old
SC2, and though I have no numbers to back me up, the car did seem to run
better and have a tad more power when the sensor was somewhere in my intake.
But I have also read the threads on Xtremesaturn.com where multiple people
have tested and believe that you get more power by exposing the sensor
directly to outside air, like by the headlight where you have it, causing
the PCM to think it's getting colder air than it actually is and dumping
more fuel into the engine, adding more power. But I thought Saturn engines
already run a little too rich, and adding more fuel would just make that
worse. Not trying to shoot you down, or the others who have tried this -
I'm genuinely looking to understand how it works, if it does work. :)
And just to mark myself as a hypocrite, I, too, currently have my air temp
sensor next to one of my headlights. I just popped a "shorty" intake onto
my car (K&N cone clamped directly to the TB), and currently have nowhere
else for the sensor to go. My plan is to drill a small hole in the end of
the filter (it's actually a cylinder, not a true cone - off my old BMW
320i), splice an extension onto the existing wiring, and put the sensor
inside the filter itself. Then, as a bonus, I'll be able to read true
intake temp readings thru my OBD-II scanner and software, which will help me
experiment with and design an effective heat shield, and try to get some
cowl induction action going.
But this doesn't really answer your question, so I'll shut up now. :)
- Justin
- Justin
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