Synthetic vs Conventional Oil

Synthetic Oil Tips For A Healthy Vehicle

Both oils have two parts: a base stock and an additive pack. Both parts ensure the oil is at the right thickness and viscosity for the vehicle. Conventional oil comes from crude oil while synthetic is human-made. This difference in the creation process of these two oils gives different characteristics to these oils.

Oil is the lifeblood of your vehicle. When you come to Thorold Auto Parts & Recycling for your oil change, we’ll determine which type of motor oil is best for your engine based on recommendations from your vehicle’s owners manual.


Switching from conventional is alright for your engine, but we do not suggest changing from synthetic to regular. You can even switch between brands. Regular, blends, syn, high-mileage are all compatible unless stated otherwise. Refer to your owner’s manual or look up the: viscosity grade or oil specification. Your mechanic will be able to provide advice on the best oil for your specifications.

Synthetic Blends

Full SYN oils are a grade of motor oil. Synthetic blend oils are less refined than full syn oil. Semi-synthetic oil blends conventional oil with more technologically advanced oils. You get the advantage of additives and more refinement. But, the impurities and inconsistent molecular size of conventional motor oil are still in the blend at lower degrees.

The benefit of blends is mainly a cost-vs-benefit decision. Blends are cheaper than full synthetic motor oil but higher performance than conventional oil.

SYN offers significate advantages such as it lasts longer, and it proofs gas mileage, and it is better at keeping engine parts lubricated.


Synthetic Oil Benefits

  • Fewer emissions
  • Better fuel and oil economy
  • Increased engine protection and wear from lower friction
  • Longer intervals between oil changes
  • Reduced engine drag from more significant resistance to thickening
  • Oil effectiveness/quality is more predictable and uniform
  • Better all-weather protection
  • Quicker engine start time
  • Helps clean engine sludge and deposits

In Conclusion

Synthetic is more effective against leaks and sludge in your engine. It does cost more, but the advantages are worth it. Conventional oil lasts 5,000 km, but synthetic oil change intervals range from 7,000 km plus. Help make your car healthier!

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