Yes it is a viscosity issue so dont confuse the matter with the type of base oil!
10/40 Oil Will It Affect My Mini ?
Started by
oliver122
, Aug 17 2011 12:24 PM
18 replies to this topic
#16
R1minimagic
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Posted 17 August 2011 - 07:28 PM
#17
Cooperman
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Uncle Cooperman, Voted Mr TMF 2011
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Posted 17 August 2011 - 10:14 PM
I guess the question is can you get a 20w50 non-mineral oil? I've not seen any, but then as I use valvoline or castrol I must confess i've not really looked. The stuff that blew my engine & gearbox was a Shell synthetic, but I can't remember the viscosity figure now after about 12 years.
I have a good friend who uses and swears by Castrol 'R' in his rally Cooper 'S' Mk.1. Well, it certainly smells nice
I have a good friend who uses and swears by Castrol 'R' in his rally Cooper 'S' Mk.1. Well, it certainly smells nice
#18
MiniLandy
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One Carb Or Two?
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Posted 17 August 2011 - 10:33 PM
I've used 10w40 and 20w50 in my engines, and didn't notice any difference.
Try it, and keep and eye on the oil pressure gauge.
Try it, and keep and eye on the oil pressure gauge.
#19
R1minimagic
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Posted 17 August 2011 - 10:35 PM
Yes there are loads of 20W50 synthetic oils out there!
The viscosity of an oil mainly comes from the additive package so you can have whatever viscosity you like really (within reason) independantly of the type of base oil.
Hence my comment, that you should not try and link the viscosity of an oil with the grade/group of base oil, and you should not say that synthetic is bad. You only mean it is bad because you see most synthetic oils on sale are low viscosity (0W40, 5W40 etc) and therefore not suitable for a Mini!
The viscosity of an oil mainly comes from the additive package so you can have whatever viscosity you like really (within reason) independantly of the type of base oil.
Hence my comment, that you should not try and link the viscosity of an oil with the grade/group of base oil, and you should not say that synthetic is bad. You only mean it is bad because you see most synthetic oils on sale are low viscosity (0W40, 5W40 etc) and therefore not suitable for a Mini!
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