2 Valvoline Restore & Protect tests

correct. fuel dilution will kill any oil. HPL cannot fix bad design.
Exactly, which is why following blanket statements on the WWW can get someone in trouble. Even following those statements for use in identical vehicles.
 
Yikes! Not to hijack the thread but this is my Toyota V6 baffle at 127k mi oc every 5K synthetic.


View attachment 267820

My Lexuses look the same with well over 150k on each. My Honda looks more like the K24 pic. Using the same oils.


It's not a reflection on the oils used so much as the amount of oil circulation on the baffle and how hot it runs. Toyotas and Hondas show their varnish in different places.
 
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