Whats the real deal on NPG coolant, anybody?
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Joined: Aug 2001
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From: Warrington, PA USA
Car: "02 z-28
Engine: LS-1
Transmission: 4L60E
Whats the real deal on NPG coolant, anybody?
Anybody use it, whats the real pro's and con's notwithstanding what the manufacturer says.
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Sep 10, 2015 09:07 PM