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Old 09-23-2017, 02:06 PM
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Default Coolant lines on intake maifold?

This was in an ad on CL for some HP engine parts. Got me curious.
What is the purpose of these lines?
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Old 09-23-2017, 02:14 PM
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It balances the flow of coolant from the back of the engine to the front and helps eliminate air pockets too. It actually works rather well.
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Old 09-23-2017, 04:15 PM
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Normally the rear port is just capped off, this is why it's important to get the gaskets on the right direction.
Curious how those hoses do for the center cylinders and if it rushes the water before it absorbs the heat?
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Old 09-23-2017, 05:34 PM
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I've ran this setup for the past 20 years and it has severed my engines well.
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Old 09-23-2017, 06:06 PM
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Thanks. I suspected it was something of that nature.
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