I am getting confuse........??

[Martin 10+ year member]

I am getting confuse in chosing my car engine oil. There have 10W40, 10W50, 20W50.....etc. So many type of engine oil..... i wan to know which one is the best choice for my car engine. For your information , i just bought a new car, and i just use for domestically, i seldom use it for long distance.Plzzz give me ur opinion.

Thank You

From Yipee

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[geonn 10+ year member]

look in your owners manual it should say what to put in it and when you go with one brand it is usually best to stay with it for lon periods of time

 

[ss3079 5,000+ posts]

Your owners manual or the dealership should be albe to tell you...my lawn mover takes 10W-30

 

[abercrombie2582 10+ year member]

martin, what kinda car do you have? Most cars run off 5w30 nowadays, but the bigger v8 engines usually run off 10w30. tell my your car and i can figure out what oil you need!!!!

 

[Moocow16 10+ year member]

ok, i asked my friend, who works at Chrysler, and he says that the first number is the thickness of the oil in cold weather, and the second number is how thick it is in hot weather. He's really not sure if it gets thicker as the number gets higher, or if it's the other way around, but he's pretty sure that it gets thicker as the number goes up. He knows this for a fact though, for more fuel efficiency and economy, you want an oil that has low numbers(like 10W30 or 5W30). If you own a drag car or something very similar, you want a high second number, and the first number really doesn't matter because you don't drag race in cold weather(and even if you did, they rev the engine to get it up to the right temp).