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∙ 12y agoIf it's zero degrees F or less you should use 5w20. Otherwise it might leak out faster and your valves might tap at start up. remember; very hot outside or old car use thicker oil 10w30 or 10w 40, very cold out side or brand new car use thinner oil 5w20 or 5w30. for the best lubrication use the thinnest oil you can, but the thinner the oil the faster it will breakdown in extreme heat
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∙ 12y agoYour engine will seize and you'll have to buy a new car
You will have excess engine wear. Look at it this way. The engineers designed the engine in your car. They then chose a weight of oil that you should use. You decide to ignore them and use something else. What exactly do you think will happen? And besides, what good reason do you have for using a weight of oil other than what they recommend? But, it is your car so use what you want, just don't expect good results.
depend on the year of the car. most would take 5w20. new models ask for 0w20
When the vehicle manufacturer recommends it.
If your car doesnt require it I would stick with the 5w30 rather than spending more on 5w20
Yes, no problem.
It could be.
The oil type that is used for a manual transmission will depend on the car. Most cars will take 10W30 oil.
What year is this car? I suggest using Pennzoil 10w30.
And why in the world would you do that? They both cost the same amount. You may void the manufactures warranty. Do not use any other weight than the weight recommended by the manufacture of your vehicle.
the car should be happy with either. Go ahead and use whatever your local oil change places are using.
It could, but I wouldn't recommend it in a vehicle that old. It's much easier for 5W to leak out of a vehicle than 10W or 15W.