Coolant question

[Dan Simoes]

If it's the stuff in the silver bottle, I use it all the time and it is
ok to mix with the green antifreeze.

"Mark L. Chang" wrote:
> 
> It's an old old thread, I know. And I've searched the archives for info,
> but I'd like the "final" word, if there is one.
> 
> Car is 91 90q20v... I've got a bottle of Prestone 5/150 that claims to be
> phosphate and silicate free and can be added to any coolant.
> 
> The turn-to-jello-and-make-your-car-bad problem is mixing Dex Cool with
> regular antifreeze, right? Adding phosphates and silicates to a
> non-phosphated and non-silicated system may add corrosion to the aluminum
> radiators and fittings and possibly wasser pumps.
> 
> So, I think that logic says I can add this Phosphate stuff to my NON
> Dexcool system and voila, be okay.
> 
> Thoughts?
> 
> --
> I live in that solitude which is painful in youth, but delicious in the
> years of maturity.
>    - Albert Einstein