Quote:
Originally Posted by ty_wheels
so you could do it for 2 categories / classes - daily used and weekend used.
arguments can be healthy, innovation is derives from that :-)
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Gear box oil and coolant suggestions would remain the same. Non weekend toys, I would invest in collecting some UoA's across miles; when the TBN values drop to 50% of that of fresh oil, it is time to change the oil. If you were to compare TBN values across multiple cars, you would find the decline rate would vary dramatically, based upon real world usage. But once the TBN (total base number, or the remaining active additive package in the oil) hits that 50% threshold, it is time to change it based upon your actual usage.
Simple.................