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Kirkham Motorsports

 
 
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  #10 (permalink)  
Old 01-02-2010, 05:36 AM
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Default Is there ANY coolant in the oil???

*13* Baker Is there any coolant in the oil? This is a big and important question. If the oil looks like a milk shake and it is a goffy color, PULL the motor. Reason is that the coolant DOESN'T have lubercating abilities and will eat the bearings depending on which one you use. Is there any yellow cream on the valve covers, breathers or PCV valve?? If not head gaskets should be OK if you are only washing out cylinder #2. Make sure you see no cracks in the block or the head. Clean real good and look between the intake and exhaust valve for ANY cracks. If found, you will need new heads or send them out for pressure testing and repair. You might want to take this head and go to a machine shop and have it looked over. Let them do a pressure test. This could save you another failure. If head gaskets are installed correctly they should never fail. You all ready know that the surfaces need to be clean and flat both straight across and on angle corners. You can't tell by the spark plug now, but is it possible that there is a igntion problem in this cylinder causing the gasket to burn or split out on the crush ring??? If you have any pictures this would really help.
If everything checks out, install new gaskets on both heads. Make sure you add sealer to any bolt or studs that go into a water jacket in the block. Next get a can of Hi-Tac and spray both sides of the gaskets and let dry. do 2 times. Install gaskets and heads and torque the bolts to spec or nuts to spec. If you are using nuts, I add a drop of lock-tite to each nut. Blue works fine. Run the motor for 30 minutes, drain the oil, let the motor go back to outside temp and recheck the torque on the head bolt or studs. Start in the middle and work your way out. Follow the bolt sequience, take them down to 30 pounds then go 10 pounds until at spec. Good Luck. Rick L Ps if you can shoot a couple of pictures and get them in your photo area would like to look and see if anythingis wrong. Rick
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