I crank the engine and let it idle while I fasten the seatbelt and get situated - about 30 seconds to 1 minute. I drive lightly until the gauge indicates the engine is at operating temperature. I believe an engine will warm up faster if it has a little bit of load on it. Otherwise, all the hot spent gasses are quickly exhausted out the tailpipe before they can transfer heat to the head and cylinder walls.
Warm Up time?
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The more I think about it, I think letting the engine rpm's get down to "normal" is the best bet, because think about it. The ecm adjusts the idle speed accordingly, based on temp inputs from sensors to keep the engine from stalling. So wouldn't it make sense to just let the Rev's drop down to normal, because it is at this point that the engine "feels" it is at an adequate temperature?
Originally Posted By: jsharp
Originally Posted By: Audi Junkie
Originally Posted By: Steve S
Just driving the car is bad for the enviroment . If you look at the whole picture.
Right, and double your consumption by ~warming~ a vehicle for 20 min to drive 2 minutes? That makes sense.
A lot of us have farther to drive than a 2 minute commute. Mine is 25-30 minutes so a 10 minute warm up will hardly double my consumption.
I doubt my vehicle burns 1/2 gallon an hour at idle...
So your "needs" require an even greater expendeture of fuel, but you don't feel compelled to minimise it what so ever?
Originally Posted By: Audi Junkie
Originally Posted By: Steve S
Just driving the car is bad for the enviroment . If you look at the whole picture.
Right, and double your consumption by ~warming~ a vehicle for 20 min to drive 2 minutes? That makes sense.
A lot of us have farther to drive than a 2 minute commute. Mine is 25-30 minutes so a 10 minute warm up will hardly double my consumption.
I doubt my vehicle burns 1/2 gallon an hour at idle...
So your "needs" require an even greater expendeture of fuel, but you don't feel compelled to minimise it what so ever?
So I jumped in my SUV today wanting to put this Thread to the test and I started up and on my Scan Gauge is read 43oF for water temperature. I waited 30 seconds or so while I connected my blue-tooth headset to my BlackBerry and then took off. In that time my water temp climbed to 70oF. I didn't notice any difference so I think I will be doing this in future instead of waiting until 100oF as posted above.
I start the car in the morning via remote control from my bedroom, jump in the shower then make breakfast. If it's below freezing outside I'll then walk to the store for a morning paper. Upon returning I feel the car has had adequite time to "warm up".
J/k, I get in and go.
J/k, I get in and go.
Originally Posted By: Audi Junkie
Originally Posted By: jsharp
Originally Posted By: Audi Junkie
Originally Posted By: Steve S
Just driving the car is bad for the enviroment . If you look at the whole picture.
Right, and double your consumption by ~warming~ a vehicle for 20 min to drive 2 minutes? That makes sense.
A lot of us have farther to drive than a 2 minute commute. Mine is 25-30 minutes so a 10 minute warm up will hardly double my consumption.
I doubt my vehicle burns 1/2 gallon an hour at idle...
So your "needs" require an even greater expendeture of fuel, but you don't feel compelled to minimise it what so ever?
Not very much. I doubt my 2 +- gallons a day commute is that much fuel in the grand scheme of things. Many people I know in urban areas easily use that much sitting in gridlock.
The company I work for is 18 miles from my home through the county and I live in the country. The plant isn't really close to anywhere, 4 miles from a town of 13,000 and even farther from a smaller town.
I don't think they'll move the office just for me, especially since my boss lives about the same distance away in the other direction. And I have no desire to give up the property I have just to save a marginal amount of fuel a day.
Not everyone lives in the city or changes jobs constantly. Not everyone flips houses every few years either, many here being passed down through families. People here are accustomed to living some distance away from things since the closest town of 50K population is over 25 miles away. It's farmland here almost 100% with very low population density.
We trade out the negative of our our fuel costs against all the positive reasons for living here...
Originally Posted By: jsharp
Originally Posted By: Audi Junkie
Originally Posted By: Steve S
Just driving the car is bad for the enviroment . If you look at the whole picture.
Right, and double your consumption by ~warming~ a vehicle for 20 min to drive 2 minutes? That makes sense.
A lot of us have farther to drive than a 2 minute commute. Mine is 25-30 minutes so a 10 minute warm up will hardly double my consumption.
I doubt my vehicle burns 1/2 gallon an hour at idle...
So your "needs" require an even greater expendeture of fuel, but you don't feel compelled to minimise it what so ever?
Not very much. I doubt my 2 +- gallons a day commute is that much fuel in the grand scheme of things. Many people I know in urban areas easily use that much sitting in gridlock.
The company I work for is 18 miles from my home through the county and I live in the country. The plant isn't really close to anywhere, 4 miles from a town of 13,000 and even farther from a smaller town.
I don't think they'll move the office just for me, especially since my boss lives about the same distance away in the other direction. And I have no desire to give up the property I have just to save a marginal amount of fuel a day.
Not everyone lives in the city or changes jobs constantly. Not everyone flips houses every few years either, many here being passed down through families. People here are accustomed to living some distance away from things since the closest town of 50K population is over 25 miles away. It's farmland here almost 100% with very low population density.
We trade out the negative of our our fuel costs against all the positive reasons for living here...
Originally Posted By: StevieC
So I jumped in my SUV today wanting to put this Thread to the test and I started up and on my Scan Gauge is read 43oF for water temperature. I waited 30 seconds or so while I connected my blue-tooth headset to my BlackBerry and then took off. In that time my water temp climbed to 70oF. I didn't notice any difference so I think I will be doing this in future instead of waiting until 100oF as posted above.
That is one of the advantages of computer controlled fuel injection.
So I jumped in my SUV today wanting to put this Thread to the test and I started up and on my Scan Gauge is read 43oF for water temperature. I waited 30 seconds or so while I connected my blue-tooth headset to my BlackBerry and then took off. In that time my water temp climbed to 70oF. I didn't notice any difference so I think I will be doing this in future instead of waiting until 100oF as posted above.
That is one of the advantages of computer controlled fuel injection.
I did it again today... The engine Water Temp was at 8oF this morning and it started with a 1700RPM idle. I waited 30 seconds and it was around 50oF Water temp, and I took off. Warmed up really quick and still no difference!
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