Originally Posted By: Shannow
Originally Posted By: paulri
Not sure what you mean when you say "full to saturation".... Could you explain?
Look at the video I linked, and play it backwards in your head...
As the oil cools, it's ability to hold the varnish reduces. If the oil is only holding a...
Originally Posted By: Shannow
Here's the solubility of varnish in turbine oil (very low additive levels) with temperature...
So if i have some minor varnish in my B230 Volvo redblock then the Redline 5w30
that i use now will benefit from a slightly higher operating temperature to remove it?
I have been reading about different engine oils cleaning abilities here on the forum
but have not seen much regarding how engine oils cleaning ability is affected
by the oil temperature.
Does the detergents in the oil need to reach a certain temperature to be effective?
Originally Posted By: KCJeep
According to Castrol, the Magnatec clinging properties whatever they are (probably esters) can still be detected on engine surfaces AFTER a subsequent OCI by a competitors oil.
Now I will be the first to admit Castrol's marketing is rather abysmal, but they still...
Originally Posted By: 2KBMW
Did you ever stop and think that maybe they are using a polar synthetic ester in their blend. I don't think it's hype.
I have very limited knowledge about blending engine oils.
But does not almost all engine oils have some polar ester content?
I see Castrols...
Originally Posted By: Quartz
So magnatec's whole thing is that it creates a sort of semi-permanent sticky film that bonds to metal and coats the inside of the engine so it doesn't fully drain back down when the engine is shut off, right?
Which engineoil does not do that?
In a diesel turbo i would not hesitate to use conventional if its according to the manufacturers spec.
But in a gasoline turbo engine i would never use anything else than a fullsynthetic oil.
Cant really compare a diesel turbo with a gas turbo..
Originally Posted By: garlicbreadman
mobil 1 synthetic grease (i used this red goop on my upper control arm ball joint and the rubber boot is all moist)
The red Mobil 1 grease is the worst garbage i ever used, Its completely useless.
The last application i tried to use it on before i threw it...
Originally Posted By: racin4ds
If thin oils are so good then why do almost ALL diesel manufacturers still recommend the 15W40 in these engines? Diesels work hard and this thicker Vis oil provides the protection necessary for long engine life, right?
I know diesels and gasoline, apples to...