What oil are you running - anyone use 0W-20
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Joined: Nov 2021
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From: Norway
Fluid dynamics and thermodynamics would suggest otherwise. Edit: depends obviously on desired viscosity of the fluid, but a thinner oil will obviously reach "operating temperature" faster from the temp to reach being lower to reach the desired (thinner) viscosity, whereas the thicker oils desired viscosity is differing from that of a thinner oil, but the most important part is the relationship between the two numbers, cold and hot viscosity.
Normally people refer to it as "thin" or "thick" based on the range of viscosity it works with, i.e; 5w-30 is "thinner" than 0w-50 in a sense
edit 2: and since a thinner oil will get into more places quicker, it is likely to retain heat quicker than if it were to just get dumped back in the sump because it was still too thick to get into bearings etc yet
Normally people refer to it as "thin" or "thick" based on the range of viscosity it works with, i.e; 5w-30 is "thinner" than 0w-50 in a sense
edit 2: and since a thinner oil will get into more places quicker, it is likely to retain heat quicker than if it were to just get dumped back in the sump because it was still too thick to get into bearings etc yet
Last edited by Mainfold; Dec 27, 2021 at 09:52 AM.
Just thought I'd add a point of note for the oils you pick.. if you go for a thicker oil, that'll take more time to heat up, you'll most likely be seeing quite the smoke-puffs behind you as you step on it, obviously you should wait until it's warmed up before you drive but we all know when in a hurry that is often not prioritized.
You're almost better finding the most sable oil with the right "ish" range that doesn't change much, than to go for "performance" oriented ones, if it's very cold. Me personally I live in Norway, so here it can both get real friggin' cold and we may also get spurs of temps that seem odd for wintertime in Norway (i.e no white christmas type of thawing levels), so it is really hard for me to pick an oil that the 4G63T will be happy with, but it doesn't make it easier that Mitsubishi only has recommendations for newer cars on their websites.. and I wouldn't go off of 4B11T recommendations for the 4G63T. I guess the "safest bet" for finding oil for the 4G63T in general, is to actually look what the Outlander CU_W 2.0 Turbo & Turbo R have recommended (as it's the "workhorse" application for the 4G63T, basically a 7 GTA with some more daily-use orientation).
You're almost better finding the most sable oil with the right "ish" range that doesn't change much, than to go for "performance" oriented ones, if it's very cold. Me personally I live in Norway, so here it can both get real friggin' cold and we may also get spurs of temps that seem odd for wintertime in Norway (i.e no white christmas type of thawing levels), so it is really hard for me to pick an oil that the 4G63T will be happy with, but it doesn't make it easier that Mitsubishi only has recommendations for newer cars on their websites.. and I wouldn't go off of 4B11T recommendations for the 4G63T. I guess the "safest bet" for finding oil for the 4G63T in general, is to actually look what the Outlander CU_W 2.0 Turbo & Turbo R have recommended (as it's the "workhorse" application for the 4G63T, basically a 7 GTA with some more daily-use orientation).
Niccce.
As Dallas said, the specific heat of oil doesn't change due to its viscosity. You put X amount of BTU's in it, it will reach Y temperature.
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