Quote:
Originally posted by Marshall Booth
Well, synthetic oil can reduce the minimum cold start temperature by 10 degrees! Cold start friction is substantially reduced (my engines crank 40-50% faster using synthetic). Then on all of my cars, measured timing chain wear rate is reduced by more than 50% by changing to synthetic. I can use synthetic for more than 10kmi (before soot levels require changing the oil) in my highway driven cars.
No question, the oil is more expensive, but if we can start just one of my cars on just one cold day a year, when I couldn't before, I've saved much more than the added oil cost and the other benifits are all FREE!
Marshall
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thanks for the informative reply. to clarify, i was wondering about the leaks i have heard others experience after changing an older car that had run dino over to synthetic.