Cool down
14 June 2005, 09:14 PM
#1
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Cool down
I fully understand warming up a car but what are the reasons for cool down.
Is it to keep an oil supply to the turbo whilst is winds down or is it something completely diffenrent ?
Dont get too technical.........
Nik.
Is it to keep an oil supply to the turbo whilst is winds down or is it something completely diffenrent ?
Dont get too technical.........
Nik.
14 June 2005, 09:30 PM
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Oil is circulating round the engine and more importantly the turbo. As you know this will be very hot, especially if you have being driving hard. When you stop after hard driving leaving the engine running for approx 1 minute will allow any oil to leave the turbo and thus preventing it from turning to carbon and ultimatly frying your turbo.
Hope this helps!
Hope this helps!
14 June 2005, 09:36 PM
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Originally Posted by 16vmarc
Oil is circulating round the engine and more importantly the turbo. As you know this will be very hot, especially if you have being driving hard. When you stop after hard driving leaving the engine running for approx 1 minute will allow any oil to leave the turbo and thus preventing it from turning to carbon and ultimatly frying your turbo.
Hope this helps!
Hope this helps!
The biggest danger is coming off a high speed motorway blast into the services and then switching straight off. I usually take the last few miles home off boost and then let it idle for a couple of minutes.
14 June 2005, 09:38 PM
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Originally Posted by 16vmarc
Oil is circulating round the engine and more importantly the turbo. As you know this will be very hot, especially if you have being driving hard. When you stop after hard driving leaving the engine running for approx 1 minute will allow any oil to leave the turbo and thus preventing it from turning to carbon and ultimatly frying your turbo.
Hope this helps!
Hope this helps!
Confused..............
14 June 2005, 09:40 PM
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All the time however it is as important to let it slow down as it is cool down - for instance letting it cool over the last few miles is wasted if you blip the throttle before turning off.
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14 June 2005, 11:00 PM
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Originally Posted by banny sti
The vf series turbos are water cooled, does this not eliminate the need to let the car idle?
A bit like not turning your burger on a BBQ.Keep it moving & it cooks evenly,don't turn it & you get charcoal.
Mark
14 June 2005, 11:40 PM
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Originally Posted by banny sti
The vf series turbos are water cooled, does this not eliminate the need to let the car idle?
The water coolant still circulates past the turbo when the engine is off.
This is by a clever bit of pipework.
dipster
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