300 degree COOLANT

[Jeffery Flanary]

Correct me if i'm wrong, but doesn't GM say not to use propylene glycol
antifreeze in their engines?

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> From: Chris Morriss <crsm at oroboros.demon.co.uk>
> To: diy_efi at efi332.eng.ohio-state.edu
> Subject: Re: 300 degree COOLANT
> Date: Monday, October 12, 1998 2:22 PM
> 
> In message <Pine.GSO.3.96.981011160006.25800G-
> 100000 at piglet.cc.utexas.edu>, Jake Sternberg
> <chickens at ccwf.cc.utexas.edu> writes
> >
> >has anyone heard of a special type of coolant which
> >boils at 300 degrees F instead of 212-250 degrees?
> >
> >I have a 400CI chevy smallblock with heads from a
> >different engine, which don't have steamholes.. so
> >I need to run this stuff.  Any information would be
> >appreciated.
> >
> >thanks,
> >-Jake
> >
> I'm looking for this stuff as well.  I gather that Propylene Glycol is
> what to look for, (as compared to normal Ethylene Glycol).  Can anyone
> confirm that this is the case?
> 
> thanks,
> -- 
> Chris Morriss