im milking up the inside of my valve covers.i dont run a thermostate and no this is the problem.is there any other way of stopping this.i will have to change up the pluming system and will be costly too.any ideals.i have injected headers and water presure is critical issue.i have to dump most of the water over board....no water is in the oil and my rocker are wet when i pull the covers to clean them