Air vent - Chevelle Tech
Heating & Cooling Heating, cooling and air conditioning

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  • 1 Post By OO52
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post #1 of 10 (permalink) Old Jul 3rd, 20, 6:59 PM Thread Starter
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Bill
 
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Air vent

My '69 has the Astro vents and just a heater without A/C. The Astro vents and kick panel vents work great while you are moving but there is no air moving when you are sitting in traffic. It is so hot. How did people do it back then as an everyday driver? I am about to get one of those under dash oscillating fans. Has anyone connected the blower fan to the vents to get some air moving like a newer car? I am not sure the heater fan would even blow hard enough to make it worth while.

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post #2 of 10 (permalink) Old Jul 4th, 20, 11:55 AM
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Re: Air vent

69-70 Pontiacs (and probably Buick and Olds) had optional electric blowers called Power Flow Ventilation. Hard to find as it was a rare option with less than 350 ordered.

https://forums.maxperformanceinc.com...18#post5434618
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post #3 of 10 (permalink) Old Jul 4th, 20, 12:02 PM
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Re: Air vent

With the Non-A/C System the fan can be used with the TEMP control set to COLD / COOL. Then you get air movement... warm air movement, but still it's air movement.

I've tried not stopping in traffic, but the police generally frown on that...
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post #4 of 10 (permalink) Old Jul 4th, 20, 6:56 PM Thread Starter
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Re: Air vent

Quote:
Originally Posted by OO52 View Post
69-70 Pontiacs (and probably Buick and Olds) had optional electric blowers called Power Flow Ventilation. Hard to find as it was a rare option with less than 350 ordered.

https://forums.maxperformanceinc.com...18#post5434618
Thanks, never heard of that option. I will have to think about how to do that myself.

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post #5 of 10 (permalink) Old Jul 4th, 20, 6:58 PM Thread Starter
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Re: Air vent

Quote:
Originally Posted by NickeyChevelle View Post
With the Non-A/C System the fan can be used with the TEMP control set to COLD / COOL. Then you get air movement... warm air movement, but still it's air movement.

I've tried not stopping in traffic, but the police generally frown on that...
I usually turn on the fan but if its not blowing at my face it ain't doing no good.
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post #6 of 10 (permalink) Old Jul 4th, 20, 7:11 PM
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Re: Air vent

On a really hot day, in traffic it is miserable. And it was back in the day too.
You might try some products like Dynamat on the fire wall and floor. but hot is hot with out AC.
I only take my car out early mornings and in the evening when its hot and humid here.
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post #7 of 10 (permalink) Old Jul 4th, 20, 10:28 PM
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Re: Air vent

IIRC, Chevy( and possibly all of GM) went to Flow-thru ventilation about 69, the fan is always on, even when the systems are turned off!

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post #8 of 10 (permalink) Old Jul 5th, 20, 12:24 AM
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Re: Air vent

Back then hardly anyone had any Air Conditioning systems in their cars,so we were all sweating our balls off. Consequently no one slowed down or was allowed to slow down or God forbid come to a stop.That would have caused a traffic jam or worse,.so we all just kept moving along at our 90+ degree pace till we all got home and ran in the house,out of the sun where it was just as freaking hot indoors.JK.
The thing is, it is just what you get used to.Believe it or not if you work outdoors all the time when its hot you do get used to it and its not as bad as you think.
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post #9 of 10 (permalink) Old Jul 5th, 20, 7:39 PM
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Re: Air vent

Back in those days we all had A/C. It was called 2-70 A/C. Two windows down at 70mph. I remember back in the 70's (yeah I'm that old) few cars had A/C. Here in Oregon he only had about one week a year in August when the temps would be in the 90's. When I bought my fully restored 67 Chevelle three years ago, the first thing I did was have a Vintage A/C system installed. Helps a lot especially on a hot day with black vinyl seats!
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post #10 of 10 (permalink) Old Jul 5th, 20, 7:47 PM
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Re: Air vent

Quote:
Originally Posted by 69SS454 View Post
My '69 has the Astro vents and just a heater without A/C. The Astro vents and kick panel vents work great while you are moving but there is no air moving when you are sitting in traffic. It is so hot. How did people do it back then as an everyday driver? I am about to get one of those under dash oscillating fans. Has anyone connected the blower fan to the vents to get some air moving like a newer car? I am not sure the heater fan would even blow hard enough to make it worth while.
Even with the heater fan or an under dash fan, the problem is that you're still going to move hot ambient air around... Save your money and one day, get yourself a Vintage Air a/c system and be done.

Claude.
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