IS F (2008-2014) Discussion topics related to the IS F model

How Long to WARMUP the car in the COLD

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Old 02-17-12, 08:29 AM
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2012ISF
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Default How Long to WARMUP the car in the COLD

I sometimes pulloff after a minute then Im off, but slowly until the engine temp gets to the middle. I won't go caveman on it until the oil temp is almost in the middle too (never quite gets to the middle for the engine oil temp)

Is this logic right? Do u guys pamper her before she warms up or doesn't really matter. Lexus guy told me it'll warm up as you go. If it was like zero degrees out then yes Id let it idle for 10-15 minutes.

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Old 02-17-12, 08:47 AM
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streetx
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10-15mins? You're just wasting gas. The car will warm up faster if you drive it

I usually idle for about a min on a cold start just to let the fluids get around the motor
Old 02-17-12, 08:53 AM
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Evil Teo
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u dont have to do it necessarily...only on older cars. why not get the remote start?
Old 02-17-12, 09:15 AM
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staman
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Originally Posted by streetx
10-15mins? You're just wasting gas. The car will warm up faster if you drive it

I usually idle for about a min on a cold start just to let the fluids get around the motor
+1. After 90 seconds or so your just wasting time and gas. Up in here in Canada it goes to -30 in the dead of winter. Try sitting in that sucker for 15 minutes..
Old 02-17-12, 09:33 AM
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ISF001
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In cold temps, I have been letting it idle for a minute, and I then take off.

I will not kick the beast until it climbs to near mid-range operating temperature.
Old 02-17-12, 09:59 AM
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pc1990
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Originally Posted by ISF001
In cold temps, I have been letting it idle for a minute, and I then take off.

I will not kick the beast until it climbs to near mid-range operating temperature.
+1 Yeah I second this, let it idle for about a minute then just cruise. When the engine oil has heated up to three bars, you can then step on the gas a little

Im in California, so not as nearly as cold as you guys but this is my routine regardless in the mornings.
Old 02-17-12, 10:12 AM
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A gentleman that I knew would beat the crap out of his LS1 Corvette (obviously not a lexus with Ti valvesprings) when cold and ended up cracking a spring and caused the valve to collapse and destroy his motor.

I try to not "beat" or go wide open throttle if I can help it until the car has 3 bars for the oil temp. You might also notice that the car's manual mode will not shift if the car's AT Fluid is not warmed up to temp as well.

When I leave in the morning and the car is cold, I just drive like a "normal" person and it warms up on its own without an issue.
Old 02-17-12, 10:49 AM
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I've always let all my cars idle for about a minute or two before I start driving. Even when I do start driving, I'm light on the throttle until it full warms up. Better safe than sorry... and then again, I'm also in CA where the coldest it gets all year is maybe 30 degrees hahaha
Old 02-17-12, 02:14 PM
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adamls2
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For me it's once it gets to 1k RPM which is usually around 2 minutes I want to say?
Old 02-17-12, 02:34 PM
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ILowNslowI
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Its just habit for me hot or cold...On the 1st start up I always let it run for a solid minute then take off, just to get everything flowing
Old 02-17-12, 08:17 PM
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MicaISF
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Originally Posted by 2012ISF

....If it was like zero degrees out then yes Id let it idle for 10-15 minutes.

Talk to me people of this World.
This is the one of the quickest ways to kill this beautiful V8.
A cold engine is not well lubricated and idling definitely does not help. By idling a cold engine, you slow down the warm up process and allow metal to rub and pound without protection of engine oil. you should drive once the car is started, but be gentle until motor oil is hot, that's when it becomes less viscous and coats all vital parts well.
even a minute of idling is insane for modern engines.
Old 02-17-12, 08:23 PM
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lobuxracer
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I let my car warm up for about 2 seconds before I put it in gear and drive off. My (lack of) wear is documented very well in the Blackstone thread and the valve lash adjustment thread. The engine warms up best under load, but not heavy load. You should never go WOT under two bars on the oil temp. The engine doesn't care about water temp from a wear perspective, only oil temp. Ideal is to see three bars on oil temp before asking for full performance, but when it is really cold, you might not see this for 30 minutes or more.
Old 02-18-12, 05:07 PM
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Vroomin350
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press the brake pedal, push the start button, put it in drive. all that in about 15 seconds. IMO by letting it idle your only hurting the engine.
Old 02-18-12, 08:11 PM
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On startup, I let it idle until the fast idle turns off, then go

Lou
Old 02-20-12, 10:20 AM
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mikelexF
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at least 10 min! or 1 bar of the oil temp. I find if i drive it right away it puts too much strain in the motor...


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