10W30 vs 10W40 A Detailed Comparison for Smart Car Owners

Hello. I have a mildly built 350 in a 76 Monte Carlo. I put 10w30 in instead of 10w40. Will this hurt my engine? The 40 weight will protect you year round for what you do;-it only has certain factors to the heat build up;-ambient temp and other component ... 10w40 oil is almost always better unless you make many short trips in winter as 10w30 oil is less viscous when cold. Dive into the world of engine oils with our informative guide on the key differences between 10W30 and 10W40. In this video, we unravel the ... As others have said you can use both grades in any Honda bike however if you run 10-30 you may see better mpg since 10-40 is a slightly heaver ... The difference between 10W-30 and a 10W-40 is the high temperature viscosity. Obviously, a 10W-40 is thicker than a 10W-30 at high temperature. Armed with ... 10W30 has the viscosity of 10W at 0°F but doesn't thin out any more than a base 30 oil at 212°F. 10W40 also has the viscosity of 10W at 0°F but ... 10w40 is what Honda recommends for the most part though 10w30 is used in cooler climates as per Honda recommendation. 20w50 can be used while ... The difference between 10w30 and 10w40 is the thickness of the oil at operating/high temperatures, at which 10w40 is thicker than 10w30. Difference between 10W40 and 10W30!! HUGE ... 10W30 vs. 10W40 Oil | What's the Difference Between 10W30 and 10W40 Oil | Partzilla.com.