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Dumb cooling system question

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Old Sep 6, 2006 | 09:32 PM
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Default Dumb cooling system question
On an LSx (or any other GM motor), does the water enter the radiator from the top and exit the bottom or vice versa?
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Old Sep 6, 2006 | 09:34 PM
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Enters the bottom & exits the top
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Old Sep 6, 2006 | 09:37 PM
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Thanks!
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Old Sep 7, 2006 | 09:04 AM
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Other way around. The water flows out the top of the water pump into the top of the radiator on the driver's side, then from the bottom on the passenger's side in through the waterneck/thermostat.
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Old Sep 7, 2006 | 09:49 AM
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Jeff (70 lS1) is correct. Water flows top to bottom.

Pat
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Old Sep 8, 2006 | 12:29 AM
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I knew it

Gotta love misinformation, thanks guys.
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Old Sep 8, 2006 | 06:12 AM
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easy way for me to remeber is which hose always blows? the top hose, it's under pressure, where as the bottom has the spring in it because it's under suction.
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Old Sep 8, 2006 | 06:38 AM
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Originally Posted by 350SS
I knew it

Gotta love misinformation, thanks guys.
My appologies. I was thrown off in that on my Mezier, it is recommended to locate the t-stat on the pump sleeve that connects to the top of the radiator. Thought this meant that the top was the inlet. I too have learned something here. Best wishes
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Old Sep 8, 2006 | 08:00 AM
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Ls1450,
You better check to make sure you wired your electric water pump correctly. If not it will flow the other way. I have the electric water pump as well but no T-stat.
Vinh
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Old Sep 8, 2006 | 11:51 AM
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Originally Posted by LS1Cobra
Ls1450,
You better check to make sure you wired your electric water pump correctly. If not it will flow the other way. I have the electric water pump as well but no T-stat.
Vinh
Will do, thanks.
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