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Old 05-31-2012, 01:40 PM
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radiator cap

would a 19-21 lb. moroso radiator cap be too much for the street? or should i stay with the 16lb.?

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Old 05-31-2012, 01:48 PM
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What radiator, engine and such are you running? On a 50 Chevy you would blow the rad wide open because it wasn't designed for such pressures.

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Old 05-31-2012, 06:57 PM
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1988 ford e-350 econoline motor home with 460 engine. had a 13 lb. cap and always boiled over.
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Old 05-31-2012, 10:58 PM
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rad cap

i know of several instances were rad caps cause the heater core to blow. my local rad shop told me to never use more than a 12 lb cap. i use a 12 lb on my race car without any problems.
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