1994 Pontiac Grand Am GT 3.1L V6
7,822 miles on Neo propylene glycol antifreeze
151,198 miles on car
Thanks to Mark for the free Level 1 analysis. I had to sorta guess at the antifreeze concentration when the core was replaced. It appears I wasn't too far from 50%. I had also been curious about the GM tabs that turned everything nasty.
History:
91,825 miles Drained factory coolant and filled with AMSOIL propylene glycol antifreeze
113,475 miles coolant changed with Prestone when intake manifold gasket was replaced
142,401 miles flushed radiator with 4 gallons of distilled water & NEO Radiator Cleaner & used AMSOIL antifreeze with NEO Keep Cool Water Treatment
143,376 miles replaced heater core
143,376 miles filled with NEO propylene glycol antifreeze
146,350 miles 5 pack of GM tabs added
[ April 28, 2005, 10:44 PM: Message edited by: benjamming ]
