Join Date: 12-29-2001
Location: New Jersey, USA
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Re: Lower Pressure Radiator Cap Needed
I see Amsoil makes a propylene glycol antifreeze that you only have to change every 7 years. Is Engine Ice also propylene gycol? They are environmentally friendly and not toxic like ethylene glycol, a good thing.
Interesting, but I'd still have to change it more frequently, as the propylene glycol, as far as I know, still isn't allowed at trackdays requiring antifreeze removal...