Quote:
Originally Posted by RadarRider
You could always go with a great winter weight like straight 30. I wouldn't recommend using 10w-30. It's not engineered for diesels.
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While this is from awhile ago I can not let this go unchecked...Ford or Motorcraft makes a 10w-30 Power Stroke Diesel engine oil that is recommended to be used when the teps are below 30*F, how is that not engineered for diesels? When its 0*F and a blistering windchill, and you go to start your truck with 15w-40, you are going to wish you had 10w-30 in it.
-Guy who starts his truck in Nebraska winters