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24-03-2019, 07:28 AM

If the book says 15w50 then totally ignore anyone who tells you to use 10w40. They probably have a different engine to yours.
Providing you stick with a viscosity and a specification then the manufacturer makes no difference.

24-03-2019, 07:28 AM	#8
BobT Guest Posts: n/a	If the book says 15w50 then totally ignore anyone who tells you to use 10w40. They probably have a different engine to yours. Providing you stick with a viscosity and a specification then the manufacturer makes no difference.