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Old 09-20-2006, 08:15 PM   #1
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Default Radiator caps

What is the pros and cons of higher or lower radiator pressure caps ?
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Old 09-21-2006, 02:44 AM   #2
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I just did some quick searching because I wanted to know too so take this w/ a grain of salt.
Higher pressure cap
Pros: raises the boiling point of water more than stock. This will decrease the risk for hotspots in the cooling system such as the heads.
Cons: More pressure and therefore more wear on the cooling system components.
and the low pressure cap would be the reverse.
I would think that with a healthy operating coolant system as well as a proper mix of coolant/water you wouldn't have to worry about the boiling point or hotspots..
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Old 09-21-2006, 10:07 AM   #3
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Thanks ;
sounds like a slight increase could be beneficial
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