Quote:
Originally Posted by Black&Tan
I bought an 05 Solara convertible with 45,000 miles. I hope to drive it for a long time. Is there any advantage to switching to synthetic oil at this point?
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Nope. Most of the members of the Toyota 500,000 - 1,000,000 mile clubs used conventional oil and changed it every 3000-5000 miles.
There isn't one Japanese automaker that condones extending oil change intervals if using synthetic. Oil analysis sounds scientific and objective but it will not tell you that if you extend your oil changes it will cause accelerated deterioration of your fuel economy, engine seals, and emission system components.