oh yeah snow tires... dang it. I'm getting some on today. I'm gonna hate my winter mileage. On the HAI though I didn't see much change after running the same distance again... I hope to find some way to make it work better. I think the air is cooling too much as it travels through the dryer vent hose to the air box. the other thing is that my idle breather hose is not included in this setup yet. I'll have to make that take in hot air aswell.
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Best fill up so far is now 29 MPG!
I had a heck of a time getting the temps out of mine that I wanted. I had a bit of an advantage over you (scangauge 2 to tell me temps). I finally got mine to almost the 180 mark and now the fall/winter cold has kept my temps below triple digits. I am thinking of redoing my heat shield if I ever get time.
another thing you could use other than dryer hose is flexible exhaust tubing. that is what I used. it comes in 18 inch pieces and runs between 5-10 dollars at most of the regular auto parts stores (advance, autozone, napa, oreiley, etc...)
you may want to get a remote temperature sensor. there is a guy with a saturn on here that has done that. I think his screen name is "lovemysan" not sure though. he used a kitchen thermometer for a turkey or something. thanksgiving is coming up, maybe you could get one cheap after the holiday.
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Be the change you wish to see in the world
--Mahatma Gandhi
Another great device to use is a wireless outdoor thermometer. I wanted to monitor some underhood temps that were not available from the Scangauge. I dropped the "outdoor" wireless transmitter in a location I wanted to monitor, and put the "indoor" receiver in the cab of the truck. No runing wires. If you want to monitor your intake air temp on a non-OBD II vehicle I recommend dropping the transmitter inside the air cleaner box with the air filter.
They don't govern the engine, what they are is a tool to let the driver know what's going on so the driver can immediately shange what they're doing if its a bad behavior.