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    2000 Jeep 4.0L 107k mi; coolant intrusion after rebuild

    I have a 2000 Jeep 4.0 I-6 that has an engine rebuild at 107K but they used the original head not knowing that the 2000-2001heads are prone to cracking. I bought the Jeep at 117K so 10,000 miles after the rebuild, sent in a UOA which came back with high levels of coolant contamination. Found a...
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    What are you running in your 7.3 Powerstroke?

    After finally using up my stockpile of Rotella-T 15/40 CJ-4 I have to decide what to use. I did try Travellers this time and have just a few hundred miles on it. When it gets near 5K I will send off a sample. There are many oils out there that meet the Ford spec WSS-M2C171-F1 including the...
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