300 degree COOLANT

Greg Hermann bearbvd at sni.net
Mon Oct 12 03:28:09 GMT 1998


>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

Also, lots of NASCAR engine prep guys drill steam holes in blocks with
siamesed bore cores. Steam and or air will create a hot spot, distortion,
preignition, etc. Not a good plan to give it even a fighting chance to have
a place to hide.

Regards, Greg.





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