can I add 5W-30 synthetic motor oil to 5W-30 regular motor oil already in the car

can I add 5W-30 synthetic motor oil to 5W-30 regular motor oil already in the car 1 Answer

Can one mix 5w-30 genuine toyota engine oil with shell 5w-30 engine oil. 2 Answers

I have 4 quarts of 5W-30 genuine Toyota engine oil but my but my truck takes 8quarts. I cannot get the genuine Toyota engine oil but 5W-30 fully synthetic engine oil from shell. Can I mixed the two ...

Will 10w-30 motor oil instead of 5w-20 damage my V6 2008 Honda Accord? 2 Answers

I added a quart of 10w-30 motor oil instead of the recommended 5w-20 to my V6 2008 Honda Accord. Will this damage my engine? The car has approximately 5,400 miles on it and 50% oil life remaining. ...

Can 5w 30 oil be used instead of recommended 5w20 1 Answer

My 2006 Lincoln navigator has 135,000 miles on it the recommended 5W 20 oil was not use during my all change 5W-30 was used is that OK

How often do i need to have 5W-30 oil changed? 30 Answers

I just bought a Mazda3 hatchback, and I am wondering how often I need to change the 5W-30 oil. I had a Mini Cooper before, and I had to change the oil every 15,000 miles. Is it the same for my Mazda3?