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Nope, as long as you're using the recommended oil specifications (ex. 5w30). Also, the only time switching back and forth between synthetic and conventional shows to be an issue, is on high mileage cars.

Most synthetic blends have high amounts of detergents in them, which will break apart any "gunk" that's built up in the engines creases. So, a high mileage car is more likely to have "gunk" built up between gaskets, which is actually preventing a potential oil leak, assuming the gasket is on it's last end. When the synthetic oil is used, the detergent will break apart the "gunk" and open up a leak, if the gasket can't hold!

Just a little tech info for ya!

Shane
 

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Discussion Starter · #5 ·
Nope, as long as you're using the recommended oil specifications (ex. 5w30). Also, the only time switching back and forth between synthetic and conventional shows to be an issue, is on high mileage cars.

Most synthetic blends have high amounts of detergents in them, which will break apart any "gunk" that's built up in the engines creases. So, a high mileage car is more likely to have "gunk" built up between gaskets, which is actually preventing a potential oil leak, assuming the gasket is on it's last end. When the synthetic oil is used, the detergent will break apart the "gunk" and open up a leak, if the gasket can't hold!

Just a little tech info for ya!

Shane
So synthetic is more likely to cause leaks than conventional?
 
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