Are mineral and synthetic oils compatible

[daverclasper]

Hi.  I just bought 5 litres of synthetic oil online that I mistakenly thought was mineral, as that is what I normally use. Got this as a top up (normally use a max of 1 litre between changes.

Looking online this should be ok?. Just thought I'd better check.

I'm not a hard driver.

Thanks, Dave 

[Pete Lewis]

just what oil is it

its specification  thats the bit to compare 

Pete

 

 

[daverclasper]

Hi Pete

Just realised that what I ordered was API - SL/CF Mineral, though what was delivered is API - SN/CH-4 Synthetic.

Produced in Germany by a company called Mannol.

If not suitable?, I should be able to get a refund, or exchange for the Mineral.

What do you think?.

Cheers, Dave 

Edited November 14, 2020 by daverclasper

[Pete Lewis]

is it a 20/50 spec or a modern cats pee 10/30  or lower ???

Pete

[daverclasper]

Sorry Pete. Should have mentioned, it's 20/50

[Pete Lewis]

well i guess mixing is never the best but you only tootle with a few good runs in between i cant see this is going to be any problem to loose sleep over 

i would think get on with it is  a plan 

if it blows up ring someone else    Ha !  

Pete

 

[johny]

Mix them and I think its called semi-synthetic😄

[Pete Lewis]

or semi sympathetic 

Pete

[PeteH]

The is a Lot of Discourse, mostly on US websites, with this concern. The general position appears to be that whilst overall no adverse effects are evident, the alleged "superior" qualities of using a full synthetic are lost!.

The only caveat I can find is that on Vehicles with Cat`s and DPF`s. Not using a modern oil can seriously shorten their life as they (non synthetics) will/could produce higher amounts of particulates and are harder to ensure proper "burn off".

So, in the circumstances outlined by the O-P, I doubt there will be any adverse effect?.

Useless Information time?. The study of Lubrication is called "Tribology" (Which I though was a reference to to the study of early social gathering among indigenous peoples?, But still!)

Pete

[Peter Truman]

My next door neighbour has a Toyota  Kruger from new at around 3 years old the engine had to be rebuilt because she had it serviced by a friends small garage who had used synthetic reinforced when full synthetic was specified cheap service = expensive rebuild ($9k) my Jag service agent uses Penrite full synthetic

on the Triumphs I use Penrite Classic nice and thick doesn’t leak out as quick

[Chris A]

17 minutes ago, Peter Truman said:

on the Triumphs I use Penrite Classic nice and thick doesn’t leak out as quick

The built in Triumph anti rust treatment system won't work as well if the rate of application is reduced 😉

[NonMember]

1 hour ago, PeteH said:

Useless Information time?. The study of Lubrication is called "Tribology"

Indeed, as I learned a few years ago when my brother's company sold a couple of "PicoSphere" systems to a tribology firm for a Chinese customer doing "vacuum tribology". We still can only guess what application needed them to study lubrication in deep space.

[ahebron]

On 15/11/2020 at 22:11, Peter Truman said:

My next door neighbour has a Toyota  Kruger from new at around 3 years old the engine had to be rebuilt because she had it serviced by a friends small garage who had used synthetic reinforced when full synthetic was specified cheap service = expensive rebuild ($9k) my Jag service agent uses Penrite full synthetic

on the Triumphs I use Penrite Classic nice and thick doesn’t leak out as quick

My VW Amarok uses Penrite 5-30 full syn enviro+ but I see Penrite now have an oil for use in it that is specced for when out of warranty
Penrite 5-30 full syn enviro+ eu. I have no idea what the difference is or could be.

Vitesse 6 is Penrited in the engine gearbox and diff.

 

Adrian

[Peter Truman]

We have in the past had car club meetings at the headquarters here in Melb and salivated over the owners collection of classics