I've looked at so many forums already about this question, but there is just so many opinions on this topic. I've been using Motorcraft synthetic blend 10w-30 in my mustang, but pretty much every thread I visit, no one ever mentions the motorcraft syn blend. I want this engine to last at least to 250k like most people's 5.0. My engine has 159k right now and doesn't burn anything. I was just wondering what kinda 10w-30 oil should I be using for my mustang for it to last that long. Would I have any issues continuing to use the Motorcraft Syn blend I've been using for the rest of its life?
Oil Opinions For A 1995 5.0 Bone Stock With Cai
- Thread starter Snazzysaucedude
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There will never be any issue running what the manufacturer reccomends. Do the routine maintenance when you are supposed to in the owners manual and replace things that wear out over time in the suspension and driveline. Most people overlook the fact that cars are not meant to go forever on the original wear items and the wonder why they have this squeak or a terrible ride quality.
Tires, more importantly the rear tires, they are wear items, and you will not be able to help it 
Go to the very back of Walmart, you know, past the man-lady in yoga pants. In this far away place, you will find a 5qt bottle of Mobil One 10W-30 for like $24. Buy it, and put it in your car.
Kurt
Kurt
I’ve been using Mobil 5000 10w30 in mine,it’s there non synthetic line-no complaints 
mikestang63
SN Certified Technician
Walmart should just build a little building off to the side with its own register just for people who go there ONLY to purchase motor oil.
Speaking of which....I need some
It does recommend either Motorcraft 5w30 for extreme cold temperatures or Motorcraft 10w30 for temps above 0 degrees. I decided to just keep using my Syn blend 10w30. Its cheap and from the few forums I've read upon, It's a very good oil for the price.
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