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>> “10w30 has detergent. SAE 30 is a NON-detergent oil.” <<
Not true! There is no longer any oil on the market that isn’t fully protected with colloidal additives.
Guess I just haven’t kept up with the latest in oil tech. It USED to be that way (detergent vs. non-detergent). I guess it’s been a long time since I read the fine print on a bottle of SAE30.
: )