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Running in and electric cooling fan 120-130 1968

uid 5230's pic
posted by  Jim, NZ on  Sun Jan 20 08:31 CST 2002
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Hi Alex,
I have installed the additional electric cooling fan in front of the radiator only as an "emergency" fan. The engine is running fine at normal temperature at the moment when driving the car, however the temperature creeps up a little at traffic lights, but as soon as I touch the accelerator and the water pump increases the flow, the temperature drops immediately to normal, so it's lack of waterflow rather than cooling the water in the radiator, an electric water pump would do a much better job. If the engine is properly tuned we shouldn't have to use extra cooling fans, I think.

I'm still trying to find the right adjustments and I got hold of a Colourtune set that shows the actual flame colour in the cylinder, very handy tool, so I found that the engine was running a little rich at idle and adjusted the carbs accordingly, but found that this causes the temperature to go up under heavy load, I decreased the advance at idle from 20 to 15 degrees BTC and it reduced the temp again at heavy load.

http://www.ccar.co.nz/amazon

Regards,

Jim






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