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15 is thicker oil and for bigger engines.
5w20, 5w30, 15w40. It depends on the engine and operating conditions.5w20, 5w30, 15w40. It depends on the engine and operating conditions.
if it si 15w40 engine oil
The majority of 4 cylinders use a good 10W 40 Motor oil. No It Will Do Just Fine With 10W40
10w30 in the summer and 10w40 in the winter.
10w40 would be a good choice for this engine.
You can, but I would not recommended. Due to it's not a new truck and high mileage. You can put 10W30 or 10W40 instead. I think the 5W30 may hurt your engine.
ist real oil, from the thickness and weight, it sounds like its for a diesel engine
Yes, you can mix conventional oil with synthetic oil with no problem.
Check owner's manual. If you don't have one copy and paste link below; www.fleet.ford.com/maintenance/owners_manuals I always like using Castrol 10W40 I would recommend ford motor oil,10w40,or ford super duty oil,15W40,this heavy oil is suitable for all gas,and diesel engines.
15W40 if you are referring to motor oil. The dealer uses Mobile 1 0W40... nrk
10w40