300 degree COOLANT

[Shannen Durphey]

Jake Sternberg wrote:
> 
> 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
It wouldn't be cheating to drill some steam holes in your heads.  I know
a guy that ran without them and only had trouble with overheating at
idle, and low speeds. But it's easy work with a drill and head gasket. 
Shannen