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Old 07-28-2006, 06:44 PM   #1
accord lover
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Default warm ups and cool downs.

hi yall. I've been looking to get 2006 wrx TR. I test drove it and it was great, quick and nimble. Here's a question, the dealer guy said that this car doesn't require cool downs because of yadayada (cant remember what he said) even though it's a turbo car. I forgot to ask the guy this because i was too excited but do these cars require warm ups too? Thanks.
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Old 07-28-2006, 07:02 PM   #2
WRXorcism
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I would imagine he was referring to the way the turbos are cooled now, so a turbo timer really isn't necessary and you should always warm-up your car before you go driving very hard.
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Old 07-28-2006, 07:07 PM   #3
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warm it up a little in winter.
give it time to cool a little after stomping on it.

no problemo...
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Old 07-28-2006, 07:53 PM   #4
FreNetiC WRX
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subaru sent me this magazine that said you should deffinately warm it up a lil, but i didn't hear that about the cooldowns. i always give atleast 3 mins regardless, b/c i love her so much and want her to be around for a long time. let it warm up even if im movin it in the driveway. take no chances, they're that good.
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Old 07-28-2006, 09:33 PM   #5
stiIV
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The factory turbos are both oil and water cooled. They're setup such that coolant will still drain through the turbo upon shutdown; the coolant will evaporate and do a perfectly adequate job of cooling the turbo.

The past issue with turbocharged cars is that they tended to be oil cooled only, and if they weren't allowed to cool properly by circulating oil (which is only accomplished with the motor running) the blades of the turbine would 'coke' and you end up with premature wear and eventually failure. The common solution is to either get a turbo timer or simply allow the car to idle for a minute or so before shut down.

You never want to beat on a car cold...any car, turbocharged or not. The issue is made more apparent with turbocharged cars as the compressed air can add significant stress to engine components that aren't at operating temperature. It's a good idea to let the car come to full operating temp before really getting happy with your right foot, and by full operating temp I mean with more accuracy than the stock water temp gauge can give. A good aftermarket oil pressure/temp gauge will tell you when your car is ready.
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Old 07-28-2006, 09:39 PM   #6
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Quote:
Originally Posted by stiIV
You never want to beat on a car cold...any car, turbocharged or not.
I just thought that was worth emphasizing.
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Old 07-29-2006, 11:31 AM   #7
WRB_in_my_veins
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Quote:
Originally Posted by FreNetiC WRX
i always give atleast 3 mins regardless, b/c i love her so much and want her to be around for a long time. let it warm up even if im movin it in the driveway.
That is ridiculous. You're actually doing more harm than good letting the car warm up just to move it in the driveway. Are you going on boost in the driveway??? No. What you're doing is getting just enough heat in everything to cause condensation in your exhaust system without getting it hot enough to evaporate. That's why they say short drives, that don't allow the car a car to get hot are bad on parts.

The point is, don't flat foot it banging through the gears at 5000 rpm right out of the garage. Do I sit in the parking lot at work for 3 minutes waiting fo the car to warm up before I pull out? Hell no. That's just stupid. You have to remember....it's a PRODUCTION CAR. These things are built with the average idiot in mind. If you don't believe me, ask yourself why a turbocharged car has an intake silencer.

You're not going to break anything turning the key, and pulling down the street. Believe me.
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Old 07-29-2006, 12:51 PM   #8
Master2192
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^^^ Dead on, you can start up and drive. I just try to stay out of boost until the coolant gauge moves over the C mark. After that, OMG BOOST!!!

It still not recommended to beat on the car, then just shut down. I make the last 1-2 minutes of my driving alot more normal. And I let the car idle for 10 seconds before shutting down. Thats all you really have to do, and the turbo will last for a long time as will the motor.
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