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View Poll Results: Do you warm your car up?
Yes 120 64.52%
No 66 35.48%
Voters: 186. You may not vote on this poll

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Old 02-03-2010, 01:14 PM   #71
Executionerhk
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Originally Posted by cdsilver02 View Post
I am still going to warm mine up...
I think I am going to do that as well.
because i do feel like cold engine sounds louder and run like crap.
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Old 02-03-2010, 01:23 PM   #72
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I don't pre-warm modern cars - they are more or less ready to go as soon as you turn the ignition key. But older cars with a manual choke, I do pre-warm them. Because they are just so much easier to drive if you do. However, I only open the choke wide to get 'er going and then close it until the car will barely maintain an idle, to avoid having excess gas getting past the piston rings. I'll then let it sit for around 5 minutes.
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Old 02-03-2010, 10:41 PM   #73
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this is interesting...
but cars do run a little different, a little worst when you just start it up.
how could this be explained?

i really want to know because if i buy a car. i really wanted to keep until it dies..
Cars run a little different when cold vs. warm because of machining tolerances. Heat expands, Cold Contracts. A few thousandths or ten thousandths of an inch can make a noticeable difference especially if it was in the right/wrong part/place - compression/timing.....

Machining and tolerances have gotten better and more consistent compared to decades ago, engines are tighter now. Newer cars use thinner weight oils as proof of this. Couple that with better fuel delivery, F.I. vs. carbs and you have two of the biggest reasons why.

The car was designed to run at its best when at the higher normal operating temperature, when the tolerances were the smallest - before wear widens the gaps.
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Old 02-04-2010, 10:34 AM   #74
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so a_2000_se,

will letting the car warm up until the needle of the temp. gauage moved be better off for the car in terms of wear and tear?

or driving it under 2.5K rpm is better off?

Thanks,
Steven
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Old 02-04-2010, 10:33 PM   #75
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so a_2000_se,

will letting the car warm up until the needle of the temp. gauage moved be better off for the car in terms of wear and tear?

or driving it under 2.5K rpm is better off?

Thanks,
Steven
Nope. Not on a properly maintained newer car. Just a waste of gas, time, money and contributing to the pollution problem.

As long as you got good oil pressure, good fluid levels, and a daily driver (not one that's been sitting for an extended period or one that's waiting for the green light on the 'xmas tree' at the strip on a -10 F day just after start-up) you can put it in drive and drive away.

insert disclaimer here.....
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Old 02-08-2010, 09:31 AM   #76
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Today I sure did! Sat in there with it running for a good five minutes!
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Old 02-08-2010, 01:24 PM   #77
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This months issue of "My Ford" magazine explicitly asked this question of whether you need to let your car warm up before you drive it and the answer is no. This is my 2cents, but if anything, prolonging the period where your car idles with cold fluids is going to be more detrimental than getting the car moving and the engine revving some. The sooner the internals reach normal operating temp, the better. With modern cars it probably doesn't matter either way, but except for getting the interior comfortable and defrosting windows there seems to be no reason to let your car sit and idle. I think it comes down to a matter of preference, but you won't be harming your car by getting in and driving it right away.

Why would our cars idle high on cold start up if not to get the internals moving and fluids warming up faster?
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Old 02-08-2010, 03:53 PM   #78
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Makes sense! ^
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Old 02-08-2010, 05:08 PM   #79
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Warm it up for one to two minutes in the winter only.
Additionally, half of that time is spent in gear {ATX} with the parking brake set.
I figure it's not a bad idea to circulate the ATX fluid as well.
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Old 02-08-2010, 05:45 PM   #80
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Quote:
Originally Posted by coppertits View Post


Today I sure did! Sat in there with it running for a good five minutes!
Pshhh. That's childs play. It's 5'F here right now and it's only 5:45PM.
Coldest it's gotten this winter is -22'F. Car starts first crank, but it makes funky noises when it's that cold!
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