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hey there car enthusiasts today I'm
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diving into a topic that doesn't get
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enough attention engine oil specifically
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5 w30 versus 5 w40 are you using the
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right one for your car let's find out
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all right so first off what do these
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numbers even mean the 5w part shows how
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well the oil flows in cold weather lower
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numbers mean better flow at startup the
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30 or 40 tells you the oil's thickness
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or viscosity when your engine is warmed
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up so while 5W30 and 5w 40 act the same
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in cold temperatures 5 w40 stays thicker
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when things heat up now let's talk about
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when you should use 5W30 this oil is a
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great allrounder it works well in a wide
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range of temperatures making it a go-to
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for many modern cars if you're doing
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daily commutes or City Driving in mild
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climates 5W30 is efficient providing
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good fuel economy and reducing engine
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wear personally I've noticed that many
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car manufacturers recommend 5W30 for
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newer models because it strikes a nice
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balance between protection and
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efficiency it's what I use in my own car
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for everyday driving and it's never let
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me down on the flip side when should you
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w40 this oil is better for engines that
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work harder it's often used in high-
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performance cars trucks or vehicles that
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tow heavy loads it provides better
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protection at higher temperatures so if
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you drive in hotter climates or push
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your engine hard this might be the
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better option I've seen drivers in
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warmer regions or those who do a lot of
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long-distance highway driving driving
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w40 it's also popular with people who
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own European cars as manufacturers like
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BMW and Mercedes often recommend it for
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better high temperature performance so
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what's the key difference it's the
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viscosity at high temperatures 5 w30 is
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thinner and more fuel efficient while 5
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w40 offers thicker protection in extreme
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conditions for most everyday cars in
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moderate climates 5W30 is more than
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enough but if you're driving under heavy
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loads in hot weather or own a
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performance car 5 w40 could be the safer
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bet Pro tip check your cars manual I
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can't stress this enough the
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manufacturer knows your engine best and
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will recommend the ideal oil for your
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specific model at the end of the day
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using the right oil isn't just about
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numbers it's about keeping your engine
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healthy and saving yourself from costly
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repairs I've learned that sticking to
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what your car's manual recommends is
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always a smart move however if if you
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need extra protection in challenging
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conditions 5 w40 could give you peace of
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mind so are you using the right oil for
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your car make sure to double check
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because a small Choice can make a big
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difference in your engine's performance
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and Longevity thanks for tuning in don't
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forget to like subscribe and leave a
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comment below till next time drive safe
