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I called my service tech about my up comming oil change. I told him I wanted to use 5w-30, and he immidietly told me how it wasnt good for the engine. I told him I dont care and I want to use it, and if I would have to bring my own oil in. He kept telling me how it as bad, and wouldnt say anything else. Any ideas how I can get him to use what I want
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Old Rotor posted this the other day. Seems like a good quote to find and show them.
Originally Posted by Old Rotor
This is what is in my Mazda Manual....so not a problem...I had to show the Mazda-mech and thats all he needed. Some of us should be running 10X40wt or even 20X50wt in hot climates. What is your location? Does it get hot there?
"Engine oil viscosity, or thickness, has an
effect on fuel economy and cold-weather
operation (starting and oil flow).
Low-viscosity engine oils can provide
improved fuel economy and cold-weather
But high-temperature weather conditions
require higher-viscosity engine oils for
Good advice too lol. I have a Bob Penkhus dealership like 1 minute walking from my place, so it's convenient for me to let them do it. They charge me $10 labor. I bring in the filter & oil of my choice (which was 10w30 synthetic this summer)