Simple yes or no. Will changing from 10/40 semi synth (which I use) to 15/40 mineral aid with cooling? also, as I belive it's a bit thicker would it help reduce a tiny weep of an oil leak? on your marks, get set....... GO.
If it makes any difference at all you won't notice it. if your engine is getting hot and leaking, fix it ;-)
The only things that aid cooling (presuming it's all set up correctly) are:- A) More cooling (i.e. air flow or surface area) - oil cooler, air ducts, change fan. B) More Oil (but not in the std sump) - Deep sump conversion, oil cooler (again). The best option is to remove the worry gauge and enjoy life!
More oil won't make the engine cooler... what actually happens is the increased airflow over the now lower sump makes the engine cooler A "hot" engine is down to a few things... low compression due to worn engine components, engine running lean due to air leak or incorrectly jetted/set carb(s), or incorrect timing or dwell angle!! Has that lifter stopped clattering now??
synthetic oil does not thin so much when hot so I've heard, so semi synth should have some benefit over mineral???
The 2nd number is the hot viscosity... so 10/40 semi, and 15/40 mineral, will be the same viscosity when hot
Not worth it. They'll eat all the fish and the ball balancing gets boring after a while. Sent from my iPhone using Tapatalk 2
Mineral smells better when it burns so its nice for a worn out engine with knackered rings Seriously though, it's easier to spot 'over heated oil' on a mineral as the colour changes from the nice green to mucky brown
