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Do Supercharges need a cool down time after a spirited drive?

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Old 09-13-2000, 10:42 PM
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Default Do Supercharges need a cool down time after a spirited drive?
I know that turbos do, but I wasn't sure about superchargers.<p>Future Audi A4 Owner
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Old 09-13-2000, 10:47 PM
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Default No. Turbo heat is from spinning at 100,000 rpm and exhaust.
Superchargers run off of the crank. Turn MUCH slower, and aren't exposed to combustion chamber temperatures.
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Old 09-13-2000, 11:31 PM
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Default Re: No. Turbo heat is from spinning at 100,000 rpm and exhaust.
Thanks. I didn't think they would but I figured I'd check.<p>Future Audi A4 Owner
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Old 09-14-2000, 06:28 AM
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Default I do because...
at the track my oil temp gets hotter than normal. Driving around town not a problem though. But at the track i let the car run until it's cooled down again.
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Old 09-14-2000, 06:52 AM
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Default They also get hot because compressed gas heats...
in this case air. Most superchargers also run less boost, so the compression heating isn't as high.
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Old 09-14-2000, 06:53 AM
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True.
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Old 09-14-2000, 08:28 AM
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Default It's the exhaust heat on the turbo bearing that needs to cool down. No problem
with superchargers other than like Rob said if you are running at a track you want your engine to cool down some.

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Okay you people have done it now, you finally bit me with the "mod bug", thanks for nothin' :-)...




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