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Discussion Starter · #1 ·
i found this trd radiator cap on ebay...apparently it says it enhances cooling of the engine..herei think its a load of crap and it just looks better
 

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It does enhance the cooling system's ability to transfer heat through well known physics.
 

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care to explain that one? I fail to understand how a higher internal pressure in the cooling system will enhance cooling? Have something to do with the boiling point being higher when under pressure?
 

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Higher pressure means less localized boiling and smaller steam bubbles when localized boiling occurs. More surface covered with liquid means better heat transfer, and therefore better cooling. Higher pressure in water based cooling systems is good and enhances the cooling system's ability to shed heat.
 

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I've learned a thing or two about engines over the last 35 years. Happy to share.
 
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