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Just did my first rebuild , have milky oil. 5.4 3v on 2005 f150 truck . On first crank up after a few minutes I am having white smoke. : r /EngineBuilding

What did I do wrong? There was zero antifreeze in the car so I added some. I opened the hood and found this : r/MechanicAdvice

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Green Coolant/Antifreeze mixture has turned orange due to small residual amount of orange coolant left in expansion tank - new coolant is Prestone's (green, concentrated mixed 2:1 with water). Is this going to create problems? : r/MechanicAdvice