taters Posted October 30, 2007 Share Posted October 30, 2007 i have an 1150rt. i just had the oil changed.i always use synthetic oil. this time i forgot to tell them to use synthetic. they put in regular oil. now i have a quart of synthetic oil on hand. if i need to add oil before my next oil change can i add the synthetic to the regular oil?thanks taters Link to comment
Chris K Posted October 30, 2007 Share Posted October 30, 2007 Yes, you can mix the oils. Link to comment
Dances_With_Wiener_Dogs Posted October 31, 2007 Share Posted October 31, 2007 Yes. The more technically inclines should chime in, but it won't affect your engine negatively in the slightest. Better different oil than no oil... Link to comment
duckbubbles Posted October 31, 2007 Share Posted October 31, 2007 Modern oils, synthetic and mineral (dino) are all compatible to mix. Use what you've got. Frank Link to comment
Sidmariner Posted October 31, 2007 Share Posted October 31, 2007 Who knew? When faced with selecting oil for my last change I saw "Full Synthetic" on the shelf, with the caveat "Not to be mixed with regular oil" on the label, and "Synthetic Blend", with the label "Can be mixed with regular oil". The price difference was about $3 a quart. Clever marketing or is there something to this? Link to comment
SageRider Posted October 31, 2007 Share Posted October 31, 2007 Who knew? When faced with selecting oil for my last change I saw "Full Synthetic" on the shelf, with the caveat "Not to be mixed with regular oil" on the label, and "Synthetic Blend", with the label "Can be mixed with regular oil". The price difference was about $3 a quart. Clever marketing or is there something to this? If you mix regular oil with synthetic oil you dilute the advertised capabilities of the synthetic oil, thus the warning. Link to comment
RFW Posted October 31, 2007 Share Posted October 31, 2007 Who knew? When faced with selecting oil for my last change I saw "Full Synthetic" on the shelf, with the caveat "Not to be mixed with regular oil" on the label, and "Synthetic Blend", with the label "Can be mixed with regular oil". The price difference was about $3 a quart. Clever marketing or is there something to this? It's rubbish. All oils are required to be fully compatible with each other. Link to comment
Rinkydink Posted November 1, 2007 Share Posted November 1, 2007 I had a friend who was adamant about not mixing oils in his vette, Valvoline only. Of course if I'm in BFE and find myself a quart low "Any oil is better than no oil" Link to comment
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