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    Volvo S80 T6 Castrol 5w/50 3652 miles

    2000 Volvo S80 T6 Castrol Syntec 5w/50 No make up oil MARK: Fuel was found at 2.5% in the latest sample from your Volvo. This level is just into our cautionary range and may indicate a fuel system problem developing. The fuel lowered the viscosity to the 5W/40 range but this doesn't appear...
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    Delo 400 Synthetic 5w40 in Ford V10

    MILES ON OIL 4505 3442 Ave (4600) Miles on unit 23,851 15,908 ALUMINUM 4,5,5 CHROMIUM 1,1,1 IRON 13,10,19 COPPER 5,5,6 LEAD 0,0,1 TIN 0,0,0 MOLYB 14,87,59 NICKEL 1,1,1 MANGANESE 0,0,2 SILVER 0,0,0 TITANIUM 0,0,0 POTASSIUM 2,0,2 BORON 5,26,49 SILICON 31,39,24 SODIUM 3,0,19...
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    Delo 400 Syn 5w40 in Ford V10

    MILES ON OIL 4505 3442 Ave (4600) Miles on unit 23,851 15,908 ALUMINUM 4,5,5 CHROMIUM 1,1,1 IRON 13,10,19 COPPER 5,5,6 LEAD 0,0,1 TIN 0,0,0 MOLYB 14,87,59 NICKEL 1,1,1 MANGANESE 0,0,2 SILVER 0,0,0 TITANIUM 0,0,0 POTASSIUM 2,0,2 BORON 5,26,49 SILICON 31,39,24 SODIUM 3,0,19...
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    Any reason why I should not use Syntec 10-40 in a 6.8 V-10

    I am looking for a good oil to use in my Ford Super Duty V-10. I drained the stock oil at 300 miles and placed a mixture of five quarts of MC 5w-20 and one quart of M1 15w-50. I do not trust the 5w-20 oil for hauling loads for long periods of time in any type of heat or with long steep inclines...
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    M1 15w-50 in a S80 T6 and in a BMW M5

    Thoughts? Blackstone Labs....UOA on Mobil One 15w-50 BMW M5, 1820 miles on the oil sample, 6570 miles on the engine.. BMW M5/ave Aluminum 6/5 Chromium 0/2 Iron 10/19 Copper 3/10 Lead 3/4 Tin 4/3 Molybdenum 71/58 Nickel 1/9 Manganese 0/1 Silver 0/0 Titanium 0/0 Potassium 0/2 Boron 150/59...
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