Can I switch between synthetic and conventional oil?

Yes, it’s possible to switch between them, although it’s best to follow your vehicle’s manufacturer recommendations. If your car is older, consult a mechanic before making a switch.

Is synthetic oil worth the extra cost?

In most cases, yes—especially if you want longer intervals between changes and better protection. For frequent drivers or those in extreme climates, the investment often pays off.

How often should I change synthetic oil?

Many full synthetic oils are rated for up to 10,000 miles between changes, but always check your vehicle’s maintenance guide for specifics.

Newsletter | January 2023 - Petroleum Service Company

Category Spotlight: Heat Transfer Fluids Explained

Do you know which Heat Transfer Fluid is best for cold temperatures? Joe & John are here to dig into our line of Heat Transfer Fluids, including the 3 different base types; propylene glycol, ethylene glycol, and mineral oil based fluids.

Check Out the Full Video!

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Penetrating Oils & CLP's

Combat stubborn rust with our line of penetrating oils. Ideal for brake, exhaust, and suspension systems, these quickly loosen surface tension rust and corrosion for better performance.

Shop Penetrating Oils & CLP's

Looking to Save Money on Shipping in 2023?!

PSC Select Shipping is a one time fee program that covers all your shipping charges for 12 months. This fee will cover all regular ground and freight shipments to include less than truckload (LTL) and full truckloads (TL), including lift-gate deliveries. There is no minimum* or maximum purchase amounts per order, and unlimited shipments.
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*exclusive to select states

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