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radiator cap pressure rating

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Old 10-09-2019, 12:16 AM
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Default radiator cap pressure rating
What pressure rating are you folks using for your 5.0 converted Monsters?
Martin suggests a 16-18 lb cap but I don't want to injure the Miata heater core. Thank you in advance.-Brad

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Old 10-09-2019, 09:56 AM
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Motorcraft 16psi.
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