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Old 10-01-2012, 05:34 PM   #8
Gnarly Adventurer
Joined: Jan 2009
Location: Hartselle, AL
Oddometer: 115
As I have read it the auto caps are really not a great choice due to their relief pressures. If I remember correctly the auto ones have a weaker spring and therefore a lower relief pressure than what our cooling systems were designed for.
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