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The recommended temperature range are as follows
10w30: -13 F to 100 F (-25Celsius to 38Celsius)
10w40: -13 F to no limit (-25Celsius to no limit)
In other words the difference between the two oils You are hesitating is, the 10w40 has same performance at low temperatures, but works well also above 38C/100F
What else can I help you with?
Should you use 10w40 engine oil in a 1968 V8 Mustang?
10w30 the recommended weight.
What grade motor oil do you use in your 1961 corvette 283 engine?
10w30 in the summer and 10w40 in the winter.
What type of oil used for engine 350 Chevy?
10w30 or 10w40 should work fine in most climates.
What kind of oil do I use for a 1992 VW cabriolet?
4.2 quarts of any engine oil 10w30 or 10w40 for summer.
What oil is recommend for 1997 grand marquis?
As long as the engine is ok you can use: 10W30 10W40 I recommend using Vavoline.
What oil is thicker 10W30 or 10W40?
10w40 is thicker (but only when hot, they are the same thickness cold.)
Oil viscosity caprice classic?
10w30 or 10w40
Should you use 10w30 or 10w40 oil in the winter months?
It is recommended to use 10W30 oil in colder temperatures during the winter months as it flows more easily at lower temperatures compared to 10W40 oil, which is better suited for warmer temperatures.
What type of oil is used for 2002 galant?
10w40 or 10w30
What kind of oil do you use for a 1999 Toyota LandCruiser?
10w30 or 10w40
What oil weight do you usr for a 1968 396 big block Chevy?
SAE 10w30 unless the engine is worn which in that case uses SAE 10w40.
What type of engine oil is recommended for a 2001 Subaru Legacy 2.5 L?
10w40 in summer and 10w30 in winter. Any heavier oil will cause lifter noise. I have also found the engine on 10w40 will only tolotare about 1/2 quart of lucas oil.
