- Is Supertech full synthetic good oil?
- It meets API SP and ILSAC GF-6A, so it is a legitimate full synthetic for ordinary gasoline engines. It is not built to manufacturer-specific specs like Dexos or European standards.
- How often should I change it?
- Follow your owner's manual. For normal driving, most full synthetics run 5,000 to 7,500 miles; short trips, towing or dusty conditions call for shorter intervals.
- Can I use 10W-30 in any car?
- Only if your manual lists 10W-30. Many newer engines specify 0W-20 or 5W-20, and using the wrong grade can affect fuel economy and warranty coverage.
- How many oil changes does the 3-pack cover?
- Three 5-quart jugs hold 15 quarts, enough for three changes in a typical 4- to 5-quart engine. Engines that take more will need extra oil.
- Is it safe for high-mileage engines?
- Yes, if the grade matches the manual. It does not contain seal conditioners aimed at old engines, so heavy leaks or oil burning may need a high-mileage oil.
- Does it work in turbocharged engines?
- It meets the general API SP standard, which includes turbo protection tests. Engines with a specific manufacturer requirement, such as Dexos, should use an oil that lists it.
- Where is the Supertech Advanced Full Synthetic Motor Oil SAE 10W-30 5 Quarts 3 Pack cheapest?
- At Walmart, for $80.64, as of our latest check.