10w30 vs. 10w40 The Ultimate Guide to Oil Choice

10w30 vs 10w40 Oil – What's the Difference? In this video, we will discuss the difference between 10w30 vs 10w40 Oil and which one is better ... The higher the number after the w, the thicker the oil at high temperatures. It can be appropriate to change to 10w-40 if you are in a hotter ... 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 ... 10w-30 or 10w-40???? ... was wondering which oil to use for 4th gen 1996 vtec model. friend got cases of red line and i have to know which ones to ... The difference between 10W30 vs 10W40 viscosities is the thickness at hot temperatures. During the cold temperature, they flow at the same rate. The SUS viscosity is the same for both, but the 10W40 has more fortifiers to maintain the viscosity at higher temperatures. The newer 10w40 is better for valve train noise. Is this true? I have typical "loud" valve chatter/ injector "tapping" noise on my gen 2rt10. RECOMMENDED ENGINE OIL QUANTITY ; Super Splendor 125, Super Splendor S.V, BS-IV, 10W30 SL MA2, 0.95 litre ; Xpulse, Xpulse 200, BS-IV, 10W30 SL MA2, 1.20 litres ... Oil 10W30 Vs 10W40 Texas Impreza Club Forum -- TXIC. 10W-30 oils had better base oils and less viscosity improvers due to the narrower spread in viscosity, which is preferable.