Does anyone change oil viscosity in the winter?
11-14-2002, 07:58 PM
#16
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Re:Does anyone change oil viscosity in the winter?
I run 15/40 year round and I plug in when it gets cold. I have block heater,battery blanket, and oil pan heater. If you are going some place that you can not plug-in the lower weight oil will not do you any good. I like my f-250 unplug for 12 hours at 30 below and it started after 3 attempts.
11-15-2002, 10:46 AM
#17
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Re:Does anyone change oil viscosity in the winter?
To further confuse matters, I just learned on the "other" board that Amsoil also makes a good diesel-rated 10W-40 synthetic. This would be another good choice for cold climes, and is somewhere between their 5W-30 and 15W-40 in price. You have to look on the Amsoil page, 'cause they list this one under "automotive" for reasons you won't understand after you see all the diesel ratings it meets.
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