Volkswagen cooling theory?

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Vamisk
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Joined: Fri Apr 01, 2016 5:44 am

Volkswagen cooling theory?

Unread post by Vamisk » Sun Mar 19, 2017 2:14 pm

So i've recently learned that volkswagen drivers in stop and go traffic occasionally keep the engine revved at lights so that the fan can push more air around. My question is, does this also apply to a Corvair, or does it do anything other than just build up more heat?
1961 110hp Monza coupe

spyderman64
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Re: Volkswagen cooling theory?

Unread post by spyderman64 » Sun Mar 19, 2017 2:31 pm

Unless the car has a mechanical problem it's not necessary to rev the engine at low speeds. That's why Corvairs make good parade cars -- they don't overheat in town.

Vamisk
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Joined: Fri Apr 01, 2016 5:44 am

Re: Volkswagen cooling theory?

Unread post by Vamisk » Sun Mar 19, 2017 2:41 pm

That's what i was thinking, it seems counter intuitive to rev it to cool it. I believe i read somewhere that the Corvair is very good at cooling itself between 30-45 mph.
1961 110hp Monza coupe

66vairguy
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Re: Volkswagen cooling theory?

Unread post by 66vairguy » Tue Mar 21, 2017 7:25 pm

At idle the Corvair cooling is more than adequate. GM tested these cars at the summer test grounds in over 100 F temps. Of course if the engine tin seals are bad then you are going to recycle hot air when stopped.

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azdave
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Re: Volkswagen cooling theory?

Unread post by azdave » Wed Mar 22, 2017 6:50 am

I'm in Arizona and never worry about engine cooling at idle. I set my idle up slightly higher in the summer because I want more airflow through the A/C condenser and a few more RPMs on the compressor. It keeps the A/C about 5 degrees cooler while not moving. If I know I have a long wait ahead I'll pop it in neutral (automatic tranny).
Dave W.
Gilbert, AZ
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