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Old 03-19-2004, 08:42 PM
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I'm over heating, help!!!

I have a 1979 chevy truck K10 w/ a 350sbc and a holley 650cfm 4bbl

I am over heating, but only while I am driving. If I pull over and let my truck idle, the engine tempature will drop to normal operating tempature. I have tried installing a 180* thermast which doesn't seem to help. I checked and I seem to have enough coolant, but I do need to double check since the engine was warm.

Now, I'm not sure, this has been happening recently, and I have noticed it since I have had my plow on, it did not happen right away. Could the plow be restricting air flow? I would think that while I was driving I would be getting more air flow than while ideling. What coudl this be? Any help is much appreciated. Thanks once again.

Steve

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Old 03-19-2004, 08:45 PM
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bingo the plow is alittle air deflector. try to drive with the plow as low as you (safely) can.

at idle your not working your motor so it does not overheat and the water isnt flowing as fast. when your driving your coolant is flowing faster and relies on the rad to cool the antifreeze.
no air = hot
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Old 03-19-2004, 08:52 PM
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I did try lowering my plow as low as I could. That did not seem to help. Could a 160* thermostat possible help this? If so, would I still get enough heat? Thanks for ur quick response.
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Old 03-19-2004, 08:55 PM
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i had the same problem with my work plow truck.
blowing down the highway after about 20 min it starts overheating.
you could try a lower temp stat but that will just help short term.
try getting better fans and or a bigger radiator.
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Old 03-19-2004, 08:57 PM
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great, good thing I haven't replace my radiator yet. Thanks.
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Old 03-20-2004, 12:56 PM
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I found that if I angle my plow while driving at speed, there is better airflow to the rad.
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