QUOTE(zeng @ Nov 13 2018, 04:35 PM)
Thanks for posting Chemistry, sorry for the late response.
As is typical of HDEO, this 12558 km blotter spot tests doesn't demonstrate darkened centre zone perimeter ring, indicating high detergency/dispersancy capabilities of used sample.
Intermediate zone is a bit greying in colour, but it's still good.
It appears to me this semi synthetic SHP 15W40 can go beyond 12558 km OCI in this carburettor engine.
Many thanks for taking time to comment here.As is typical of HDEO, this 12558 km blotter spot tests doesn't demonstrate darkened centre zone perimeter ring, indicating high detergency/dispersancy capabilities of used sample.
Intermediate zone is a bit greying in colour, but it's still good.
It appears to me this semi synthetic SHP 15W40 can go beyond 12558 km OCI in this carburettor engine.
The HDEO was drained at OCI 13000km and has been in service for 14 months . I think it has done its job very well.
Nov 13 2018, 06:33 PM

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