11-04-2007, 04:34 PM
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CC Member
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Join Date: Mar 2001
Location: Cinnaminson,
NJ
Cobra Make, Engine: Cobra Fibercraft Bodies 427 S/C, 351W disguised as a 427.
Posts: 391
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Not Ranked
Most modern day radiator caps are made for a "closed" system, one that allows the cooling system to suck coolant back into the system when the engine is cold. For example, a 16 lb. cap will seep coolant past the seal if the pressure exceeds 16 lb. When the system cools down and creates a negative pressure, the cap will allow coolant to be sucked back into the system. Confirm this by looking at the small metal disk underneath the rubber seal. If you can pull the disk downward with your fingernail, the cap allows the return of coolant. Therefore, most modern systems have a coolant overflow cannister. I would definitely recommend that you plumb such an overflow cannister into your system. If nothing else, it will help to keep air from being sucked into the system
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Political correctness is a doctrine, fostered by a delusional, illogical minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."
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Expansion tank
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On the street
Linear Mode
