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Old 06-08-2008, 05:08 PM
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coolant problem

i have a 82 camaro z-28 with a freshly built mild 350 in it, it hasn't hit really extreme high temps yet the highest i seen it was at 220 with in city driving and alot of idling, it has a 18 in flex a lite fan on it, my thought were maybe adding an addtional electric fan to it with a thermostatic switch would that be blocking my radiator if i did that, or maybe i should just switch to a electric fan all together, or maybe my flex a lite fan should have a clutch on it????? any ideas or suggestions would be great, what have you other third gen camaro guys done???

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Old 06-08-2008, 05:38 PM
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It's really hard to beat a good working STOCK type fan clutch and STOCK 7 blade fan, with a shroud.

Your temps are not hot, but it's your call. Personally, I don't worry until it gets to 230-240. Sometimes we end up trying to "fix" something that really doesn't need fixing! LOL

Mark
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Old 06-08-2008, 06:18 PM
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sensor location

Along the same thread,what are the opinions of some of you on where a coolant sensor should be located, on the intake manifold or in the cylinder head? thanks in advance, Keith
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Old 06-08-2008, 08:35 PM
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Are you running it with a shroud? 3rd gen Camaros don't cool worth a damn without one. My 86 had cooling problems with a flex fan because there was no shroud with it. I put an electric fan pushing through the radiator and it solved the problem. I was lucky to see over 195 on the stock temp gauge. Very few, if any 3rd gen V-8 Camaros came from the factory with a clutch fan, so that can be a difficult route. Not sure if that is 100% accurate, but niether my 84 or 86 had a clutch fan. If you have any other 3rd gen questions let me know. 2 of my 5 Camaro's were 3rd gen. Later

The Wolf
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Old 06-09-2008, 12:12 AM
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I have a 350 in a 1986 Camaro.
After various setups I ended up making a complete enclosed shroud with dual electric fans.
The fan switch is in the manifold, clumsy me had broken two while removing spark plugs.
Make sure your airdam is in place.
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Old 06-09-2008, 12:42 AM
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Malc you should put a wide rubber flap across the bottom section. When at highway speed the air will push it open for more flow. When in stop & go traffic the fan will pull it closed so all air goes through the fan. It helps.
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Old 06-09-2008, 01:07 AM
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I know, at the moment I have too much other stuff to do.
I was going to look for some flaps off a VW Golf or something similar.
I should also add sides in front of the rad to direct all the air through it.
I´d like a deeper air dam as well but as the car is lowered I´d lose ground clearance.
At the moment it runs at 190º average, sometimes going to 200º.
I was going to 220º previous to the duals and shroud and the car acted up terrible in traffic.
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Old 06-09-2008, 01:19 AM
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Nice Shroud

The shroud looks very nice. Your right about directing the airflow it makes a lot of difference. Friend of mine was running a 76 Camaro oval track car with just a ford 6 cyl. solid 4 blade fan. Made him a shroud & ducts in front of Rad & below bumper, no cooling problems since.
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Old 06-09-2008, 01:49 AM
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I made the shroud as deep as I could so the air could move around.
Tight fit or ?

(The belt on the alternator has since been adjusted.)
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Old 06-09-2008, 04:02 AM
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Looks good, with the extra space it should pull air from more of the Radiator surface.
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