Assuming that I do not idle my car more than the summer,is there any reson why I should not be able to use the same "summer oci" in the winter. My driving habits are the same year-round.
summer versus winter oci
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Patman
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The main problem with winter is that it takes so much longer for the oil temperature to reach it's peak. On a summer day it might only take 20min to reach 200F, but in the winter it could take double that.
So if you're not doing relatively long trips everyday, you definitely need to run a shorter interval in the winter. This is where oil analysis comes in handy though, you can then see how winter driving affects your results. I notice the TBN on my oil is lower in the winter compared to summer. And fuel dilution has been slightly higher too, even though I'm not in the habit of idling my vehicles in winter.
So if you're not doing relatively long trips everyday, you definitely need to run a shorter interval in the winter. This is where oil analysis comes in handy though, you can then see how winter driving affects your results. I notice the TBN on my oil is lower in the winter compared to summer. And fuel dilution has been slightly higher too, even though I'm not in the habit of idling my vehicles in winter.
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