Cooling an AC equipped 69 BBC...possible? - Team Camaro Tech
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post #1 of 5 (permalink) Old Apr 11th, 10, 04:40 PM Thread Starter
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Louie
 
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Cooling an AC equipped 69 BBC...possible?

I started her up this weekend and it only took 2 cranks before she roared to life. I was watching the guages and all looked fine but I noticed that the temp needle was hovering in the middle of the guage (center console)
It is only about 65 degrees here and I can only imagine what it would have done in summer where it hits 95 pretty routinely. When I install the vintage air system the radiator will have that to deal with that as well.

Here's what I have:

468 BB with 16 degrees initial timing set by the engine builder (knows his stuff)
650 street Demon
Roller cam (street use)
New 4 core copper radiator
160 degree thermostat with the holes drilled to let air out when filling
High volume, pulley driven H20 pump
stock 6 blade fan with shroud in place (fan is about 1/4 of an inch from the radiator and 1/2 way into the shroud, it looks good.

Whats the simple/cheap way to cool an AC equipped BB? Can I put a pusher fan in front of the 2 radiator's or is it simpler to buy a whole new system? I may have to hock the wifes jewelry to do the latter.


69 SS/RS Fathom Green 454 4 speed

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post #2 of 5 (permalink) Old Apr 11th, 10, 04:42 PM
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Re: Cooling an AC equipped 69 BBC...possible?

No air pockets in the cooling system. Still should run a 180* stat minimum.

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post #3 of 5 (permalink) Old Apr 11th, 10, 05:39 PM
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george
 
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Re: Cooling an AC equipped 69 BBC...possible?

I would not change a thing right now.Lets see how much the increase in ambient temp affects coolant temp with the ac compressor engaged.
You may be sweating a moot point..pun intended.

George
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post #4 of 5 (permalink) Old May 7th, 10, 12:52 PM
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Michael
 
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Re: Cooling an AC equipped 69 BBC...possible?

Just leave the fenders off (like in the picture) and the car should never get hot.

You "may" want to consider an aluminum radiator for A/C usage.
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post #5 of 5 (permalink) Old May 7th, 10, 01:06 PM Thread Starter
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Louie
 
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Re: Cooling an AC equipped 69 BBC...possible?

I noticed that the temp gauge pointer , when engine is cold, drops to the 1/4 mark and stays there. I'm going to take a seperate gauge and test it, but it wouldnt suprise me if the actual temp is much lower than indicated.

69 SS/RS Fathom Green 454 4 speed

Bumper sticker- My other auto is a .45
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