Synthetic oil


Old 01-17-09, 05:56 AM
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Synthetic oil

Hi, i have a toyota corrolla 2005, i live in Northern Ont, where it is cold in the winter, should i be using synthethic oil for the winters, because i herd that the oil doesnt freeze up like the other oils,and not as hard on the engine for starting and running. Or is synthetic oil is just like other oils. thanx.
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Old 01-17-09, 06:28 AM
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Do whatever your owners manuals states. Synthetic is typically better, but there's nothing wrong with dino oil either. You typically want to switch to a lighter weight oil as well.
Old 01-17-09, 08:24 AM
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Using a good quality 5W-30 regular oil changed frequently and a block heater will do more for the life of your vehicle than just using synthetic.
Old 02-05-09, 05:32 PM
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Thumbs up synthetic oil

switching to synthetic oil will help but remember that if you switch to synthetic you should stick with it.
Old 02-06-09, 11:32 AM
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That's a myth. You can switch back and forth at will.
Old 02-06-09, 01:45 PM
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read this:

and make your own educated decision. It's your car.

PS good synth rules, btw.
Old 02-14-09, 05:23 PM
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I heard using 20w-50 gives better mileage and mix in a quart of synthetic to help with starting in the winter AND actually creates less wear and tear on engine... contrary to popular belief...can anyone confirm or deny by actual results? My manual says to use heavy oil in summer and light oil in winter but it doesn't say NOT to use heavy all year.
Old 02-16-09, 02:28 PM
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If you are using oil i.e. burning it or leaking it, you probably shouldn't use synthetic due to the cost of adding it between oil changes.
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