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Raw Water coolant pressure question

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Old 04-04-2018 | 07:57 PM
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Default Raw Water coolant pressure question

What is the operating range for the Raw Water cooling pressure for a Mercruiser 6.2 L, 377-320 hp using a sender part number 8M6000623? At what pressure does the alarm go off sending the engine into Guardian mode?

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Old 04-23-2018 | 11:09 AM
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I am working on a high pressure alarm on my 496's right now that use that same sensor. My alarm trips at 41 psi at WOT on a Rinda scanner. Im not sure what the Merc spec is. My other motor runs at 35 psi at 5000 rpms with no alarms. See my post from yesterday.

Last edited by In the red; 04-23-2018 at 11:11 AM.
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Old 04-23-2018 | 02:54 PM
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Read you post from yesterday ITR. I bought a Merc book. Reading now.
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