03-12-2020, 07:49 PM
(03-11-2020, 05:20 PM)jtopiso_imp Wrote: Mix them if you already have 10w-30 that you don't want to waste.
Just use 10w-40 if you don't have any 10w-30.
My understanding is that you can always mix different specs, but mineral with mineral and synthetic with synthetic.
Isn't mixing mineral and synthetic and it should give you semi synthetic???
