Mechanical sin - oil

[AHPP]

I gather it’s poor form to mix engine oil, certainly grades but ideally not even brands. Well I have a load of 5L oil containers with 1L of oil in them that I want to combine in a big container so I’m not tripping over so many. All 10w40 semi synthetic. As crimes go, rate this one out of ten (where 1 is it’ll be fine and 10 is instant engine death). 

[Mick Dempsey]

Depending what it’s going in, I’d put it at 1/10

[peds]

Just now, Mick Dempsey said:

Depending what it’s going in, I’d put it at 1/10

 

Can you flesh out the "depending on what it's going in" with some examples please.

[Mark Bolam]

Old grey Fergie 1

Bugatti Veyron 10

[Mick Dempsey]

7 minutes ago, peds said:

 

Can you flesh out the "depending on what it's going in" with some examples please.

Could you tell us what it’s going in?

[peds]

1 minute ago, Mick Dempsey said:

Could you tell us what it’s going in?

 

I could hazard a guess, but it might not be accurate.

[AHPP]

2005 2.5 diesel Renault van mainly. Maybe the Honda and Honda clone on the Skidster and chipper if that's 10w40. They might be 15w30. Can't remember.

 

I rate it as a 3/10 or 4/10 crime.

[AHPP]

I suspect the not mixing rule is if the oil(s) have some of the more particular additives (anti foam etc). Like the special stuff you have to use in the VW 1.9 PD engines.

Edited Saturday at 20:34 by AHPP

[slack ma girdle]

My Zetor seems to run on anything, and have inadvertently put many different oils in my land rover, both are still running. I say go for it.

 

[Mark Bolam]

I reckon a Zetor would happily run on whale blubber.