10 Engine Oils You Should Never Use in Your Car

Selecting the right motor oil is essential for keeping your car’s engine in top condition. However, some oils on the market may not provide the protection or performance your engine needs, leading to increased wear and potential damage. In this article, we delve into several engine oils that fall short of expectations, helping you steer clear of choices that could compromise your vehicle’s health.

Super Green Smokeless Motor Oil

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Despite its appealing name, which suggests environmental benefits, Super Green Smokeless Motor Oil often fails to maintain its viscosity under high temperatures. This can lead to faster degradation and inadequate lubrication, increasing engine wear and reducing efficiency. Users have noted that it does not perform well in variable driving conditions, potentially leading to costly repairs and decreased engine lifespan.

Lube 1 Oil

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Lube 1 Oil is attractive for its affordability but falls short in terms of performance. It lacks the sophisticated additive packages that higher-quality oils boast, which are essential for reducing friction, protecting against high temperatures, and preventing sludge formation. Consequently, engines running on Lube 1 Oil may experience accelerated wear, increased maintenance costs, and potential engine failure earlier than expected.

Petrola Motor Oil

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Petrola Motor Oil is often critiqued for not meeting industry standards for additives and lubrication. Its use might lead to inadequate engine protection against wear and corrosion, particularly under strenuous conditions such as high-load or high-speed driving. This could translate to decreased engine efficiency, higher oil consumption, and a greater likelihood of engine component failures.

STP (conventional)

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Known for additives, STP’s conventional motor oil line doesn’t live up to the protective capabilities of its more advanced synthetic products. It struggles to provide sufficient lubrication during critical engine phases like cold starts and high-temperature operation, increasing the risk of damage and reducing the operational life of the engine.

Fram

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Better known for their automotive filters, Fram’s motor oils do not match up to their filter reputation. They often lack robust protective additives that are crucial for today’s high-performance engines. Using Fram oils could lead to inadequate protection against engine wear, possibly leading to quicker degradation of engine parts.

Cruz-In

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Positioned as an economical choice, Cruz-In motor oil does not provide the same level of engine cleanliness and protection as more established brands. It may fail to effectively prevent the buildup of harmful deposits within the engine, leading to decreased performance and potential engine damage over time.

EconoLube

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Although cost-effective, EconoLube motor oils have been criticized for poor performance under extreme weather conditions and heavy driving. Such oils may lead to quicker deterioration of engine components due to insufficient lubrication, resulting in higher long-term maintenance costs and reduced engine longevity.

QuickLub Motor Oil

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There have been frequent complaints regarding QuickLub’s ability to maintain viscosity under pressure, which is crucial for reducing engine wear. Ineffective viscosity maintenance can lead to increased metal-to-metal contact within the engine, accelerating wear and potentially leading to engine failure.

MotoTech

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Laboratory and real-world tests indicate that MotoTech oils might not effectively minimize engine wear compared to other brands. This can drastically reduce the life expectancy of an engine by leaving critical components like the camshaft and pistons unprotected against everyday wear and tear.

Budget Oil

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True to its name, Budget Oil offers an inexpensive solution but at the expense of quality and engine protection. It is typically formulated with lower-quality base oils and additives, which might be insufficient to protect modern engines from the rigors of daily use, leading to premature wear and increased mechanical failures.

This article originally appeared on MyCarMakesNoise.

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Author: Dave Johnston

Dave is a hands-on automotive technician with experience in performing service, diagnostics, and repairs on domestic and imported vehicles. He enjoys writing and sharing his knowledge far and wide.

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