What Is The Best Oil Additive For High Mileage Engines?

Can oil additives hurt my engine?

Generally speaking, the longer oil is used, the more additives will be lost.

Over time, using motor oil that lacks important additives can cause increased wear and tear on your engine.

It may result in poor fuel economy, rust and corrosion, oil sludge, overheating, breakdowns and other serious engine damage..

Which oil additive is the best?

What Oil Additive is Best for My Vehicle?Liqui Moly Anti-Friction Engine Treatment. For reducing friction, we recommend this product made by the German lubricant company Liqui Moly. … RevX Stiction Fix Oil Treatment. … Marvel Mystery Oil Ultimate Fuel and Motor Treatment.

Is Thicker oil better for high mileage cars?

A: Yes. This is a practical method to improve oil pressure in an older, high-mileage engine. The slightly thicker oil film from the heavier base weight oil – 10W – can help protect worn engine bearings as well.

Is it good to use STP oil treatment?

STP® Oil Treatment (in the blue bottle) helps protect against engine wear with a high-viscosity formula, which fights metal-to-metal friction by providing a thicker cushion of oil between moving engine parts. … It counteracts oil thinning and also contains additives to boost motor oil’s anti-wear protection.

How do you increase oil pressure at idle?

Engine ProblemsOne way to fix oil pressure in this case is to use a higher-viscosity oil, such as switching from 5W-20 to 10W-30. … The best way to fix this kind of oil pressure problem, though, is to repair the bearings. … Oil pump wear can bleed off oil pressure in the pump.More items…•

Is Lucas Oil Additive any good?

Lucas oil stabilizer actually changes the formula and not in a good way. So do any of the canned oil treatments. The word dangerous is not correct.

Will using thicker oil stop burning?

A lot of oil-burning takes place because an engine’s piston rings are worn out, and thicker oil won’t fix that. Using thicker oil is also a particularly bad solution for modern cars. … They use low-viscosity oils that splash easily all over the moving parts of the engine to make sure they’re all lubricated.

Should I put additive in my Diesel?

Diesel fuel quality While the nation’s supply of diesel fuel is generally dependable, it’s not always consistent. Diesel engine makers account for swings in quality when designing and certifying their engines. Generally, they do not endorse or recommend the use of fuel additives.

Do Engine oil additives really work?

For instance, many oil additives claim to not only reduce friction and increase horsepower, but they also claim to restore fuel economy and reduce engine wear, among other positive benefits. … Truth be told, oil additives simply aren`t necessary for new modern engines.

Why seafoam is bad?

Seafoam in your crankcase is bad because when you pour it in with your oil it not only thins out your oil so it no longer has the same protecting properties it had before you poor the seafoam in it also loosens a large amount of gunk at one time and can clog your oil pick up causing the engine to be starved of oil it …

Does Lucas Oil Stabilizer really work?

Lucas Oil Heavy-Duty Oil Stabilizer This Lucas Oil stabilizer is a reliable product that proves to be quite beneficial for old engines. It increases the oil life and reduces the overall oil consumption, maintaining the engine for a longer time.

What is the difference between 10w30 and 5w30?

5w30 is used for light-duty engines while 10w30 is used for engines which carry heavier loads. 10w30 provides sealing action in the engine due to the fact that it is thicker than 5w30 engine oil. Thinner at lower temperatures.

What’s the best oil additive for older engines?

Lucas Oil – Editor’s Choice for Synthetic Motor Oils.Red Line – Editor’s Choice for Conventional Motor Oils.Nanolube Engine Oil Additive – Best Oil Additive for Older Diesel Engines.Marvel Mystery Oil – Best Bargain Oil Additive for Older Engines.STP High Mileage – Most Widely Compatible Oil Additive for Older Cars.

How much STP oil treatment should I use?

Directions. STP® Oil Treatment Petrol should be added to the engine oil when the engine is warm, at a rate of one 300ml can to 3 litres of oil, or one 450ml bottle to 4 or 5 litres of oil (10% treat rate).