I have another round to report...
2000 Dodge Durango, 318 V8, 205958 miles
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Wal-Mart Service Center $24 Jeff Gordon oil change
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Quaker State Bulk, 10W30, 5qt in crankcase
Mopar M0-090 oil filter, 0.5qt in filter
Total oil fill 5.5qt
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1976 Ford Gran Torino, engine replacement underway
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'76 351M engine coming out has 91K miles and has been burning oil 50mi/qt for some time
'72 351CJ engine going in has 10K miles on an .030 overbore rebuild with RV cam, 2V heads
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first fill will be:
Mobil Clean 5000, 10W30, est 5.0qt in crankcase
16oz of Marvel Mystery Oil (0.5qt)
Motorcraft FL-1A oil filter, 0.5qt in filter
Total oil/MMO fill 6.0qt