Re: [Chrysler300] over heating 392

[Dale Slattengren <dale57-300chrysler@xxxx>]

Good idea to use a 160 thermostat and drill a couple 1/8 inch holes so 
air does not get traped while filling. Sometimes bad head gasket or 
cracked head will leave little bubbles coming to the top of the 
radiator. Good luck

David Zakarian wrote:

> The next mystery. When running the hemi it overheats.
> 1) radiator has new core
> 2) with radiator cap off, water seems to be circulating(looking in the fill hole)
> 3) with cap on and run for a while(20 minutes), it overheats and when the cap is removed it spouts water out the fill hole like a stuck thermostat(no thermostat in the goose neck at this time so that can not be it).
> 4)when the petcock on the radiator is open and running water in the radiator engine cools down right away.
>
> seem to me I'm down to the cap or fan clutch but I don't know if either would cause these symptoms, any other good suggestions?
>
> Zak
>
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