Oil change intervals

[C M Smith <cmsmith@domain.elided>]

My 91L has had oil changes rigorously done according to factory spec of 
once per year or 16,000 km, whichever first occurs. The engine uses about a 
litre every 3,000 km in summer and 5,000 km in winter. I use full synthetic 
Selenia 10W 40 or Agip 5W 50 and a new filter of course.

Extended oil change intervals are now the norm due to cleaner burning 
engines and better oils and filters. Time is significant as the 
contamination of oil by condensates is by far the more serious problem due 
to short trip insufficient warm up. In Canada, we know all about mayonnaise 
in the oil due to condensation, not coolant leaks!


Michael Smith
Calgary, Alberta,Canada
91 Alfa 164L
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