Topic: Royal Purple Ice Cooling Additive
in Forum: C4 Cooling and Heating Systems
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Joined: 3/20/2009
Posts: 611
Vette(s): Black 1979 L-82
Black 1996 LT1
Black 1999 Coupe
I used it in my 99 Silverado.
It worked OK.
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NORTON, OH - USA
Joined: 7/9/2012
Posts: 111
Vette(s): 1985 C4 red,
1985 C4 Black and dark gray
if you want it to work like they say it works follow the instructions and flush the thing and it will work like they say it did for me
in Forum: C4 Cooling and Heating Systems
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