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which Radiator Cap to use on my ram hemi

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Old 07-29-2011, 04:44 AM
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Default which Radiator Cap to use on my ram hemi
i have an aftermarket 2cm shorter radiator on my 2006 hemi so
Which rad cap is better 16 LBS or 18 LBS and what is the difference between the two ?

 
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Old 07-29-2011, 10:29 PM
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Just use the one that it calls for. 16 should be fine. It just takes 2lbs more before opening the 18 over the 16. An 18lb will find a weak spot in the cooling system before a 16 will.
 
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Old 07-30-2011, 03:01 AM
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Originally Posted by lxman1
Just use the one that it calls for. 16 should be fine. It just takes 2lbs more before opening the 18 over the 16. An 18lb will find a weak spot in the cooling system before a 16 will.
Thanks , so i will keep using the 16lbs
 
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Old 07-30-2011, 04:20 PM
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Wise choice.
 
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Old 07-31-2011, 09:28 AM
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what is the best way to get the air pocket out from the radiator ?
 
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Old 07-31-2011, 07:51 PM
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I just run them without a cap until it quits burping air.
 
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