Top 5 Diesel Fuel Additives: Your Performance Guide

Rating: 9.0/10

Keep your diesel engine running smoothly and efficiently with Hot Shot’s Secret Everyday Diesel Treatment. This 6-in-1 diesel additive is designed to tackle multiple issues, from cleaning fuel injectors to boosting cetane levels. It’s an easy way to maintain your engine’s health and improve its performance.

What We Like:

• Improves engine performance and keeps it healthy with regular use.
• Boosts fuel economy by increasing cetane levels, saving you money.
• Cleans fuel injectors, both inside and out, and protects fuel system parts.
• Prevents rust and corrosion in your fuel system by removing moisture.
• It’s simple to use – just add it to your fuel tank at every fill-up.
• The formula is scientifically developed to ensure it works effectively.

What Could Be Improved:

• The product’s effectiveness might vary depending on the specific diesel vehicle.
• Long-term benefits for very old or neglected engines are not fully detailed.

Hot Shot’s Secret Everyday Diesel Treatment offers a straightforward solution for diesel engine maintenance. It’s a science-backed additive that helps your engine run better and last longer.

Rating: 9.0/10

Get ready to give your diesel engine a serious boost with this 4-pack of Stanadyne 38564 Performance Formula Diesel Fuel Additive. Each 8 oz bottle is packed with powerful cleaning and improving agents that work to make your diesel run its best.

What We Like:

• Restores Horsepower: Cleans out gunk in your fuel system.
• Better Gas Mileage: You can save on fuel. Tests show it can improve MPG by about 4 percent, sometimes even more!
• Smoother Engine: It makes your engine start easier and run quieter.
• Protects Your Engine: It adds important lubrication to protect parts.
• Cleaner Emissions: It helps reduce smoke and other stuff coming out of your exhaust.

What Could Be Improved:

• The 8 oz size might require frequent purchasing for heavy diesel users.
• While the benefits are clear, the exact MPG improvement can vary between vehicles.

This fuel additive is a smart investment for any diesel owner looking to improve their engine’s performance and longevity. It offers a range of benefits that make your diesel truck run better and more efficiently.

Rating: 9.2/10

Looking to get more out of your diesel engine? The Stanadyne Performance Formula Diesel Fuel Additive, sold in a convenient 2-pack of 1/2 gallon jugs (Part # 38566), is designed to do just that. This American-made additive promises to boost your engine’s performance and efficiency.

What We Like:

• It can help restore or even increase your engine’s horsepower.
• You might see better gas mileage, with tests showing an average of 4% improvement in MPG, and some even up to 9.6%.
• It acts as a cetane improver, which means your engine starts better, runs smoother, and is quieter.
• The additive includes lubricity improvers that help protect your engine from wear, especially with today’s ultra-low sulfur diesel fuel.
• It helps reduce smoke and harmful particulates, leading to fewer emissions.
• It’s made right here in the U.S.A.

What Could Be Improved:

• The effectiveness can vary depending on the age and condition of your engine.
• While the benefits are clear, the long-term effects over many years are not yet widely documented by everyday users.

Overall, the Stanadyne Performance Formula Diesel Fuel Additive offers a promising way to enhance your diesel vehicle’s performance and protect its engine. It’s a worthwhile consideration for diesel owners seeking better efficiency and smoother operation.

Rating: 9.4/10

Is your diesel engine sputtering? Do you want better gas mileage and a smoother ride? Hot Shot’s Secret Diesel Extreme is a powerful fuel system cleaner and additive that promises to revive your diesel engine. This concentrated formula tackles gunk and grime in your fuel system, aiming to make your engine run like new again.

What We Like:

• Cleans your entire fuel system, including valves, pumps, and pistons.
• Eliminates stubborn deposits in your fuel injectors, keeping your engine running smoothly.
• Boosts cetane levels, which can lead to better fuel economy and more engine power.
• Helps reduce how often your DPF (Diesel Particulate Filter) needs to regenerate, making for a more pleasant drive.
• It’s easy to use – just add it to your fuel tank during fill-ups.
• It’s made with science and has military-grade rust and corrosion inhibitors.

What Could Be Improved:

• The 1-gallon size might be a large upfront cost for some users.
• While it claims to fix many issues, individual results may vary depending on the engine’s condition.

For diesel owners looking to improve their engine’s health and performance, Hot Shot’s Secret Diesel Extreme offers a promising solution. Give your diesel the boost it deserves!

Rating: 9.4/10

Keep your diesel engine running smoothly with Opti-Lube XPD All-Season Diesel Fuel Additive. This powerful formula, delivered in a gallon jug with helpful accessories like a hand pump and travel bottles, is designed to protect and enhance your truck’s performance all year long.

What We Like:

• Optimal Lubrication: It makes your diesel fuel better at lubricating, protecting your engine’s parts.
• Better Fuel Economy: You’ll save money because your truck will use less fuel.
• Cleans Injectors: It keeps your fuel injectors clean, which helps your engine run better and reduces pollution.
• All-Season Performance: It prevents fuel from gelling in cold weather, down to -10°F, and helps separate water from the fuel.
• Extended Fuel Life: It can more than double the storage life of your diesel fuel.
• Includes Accessories: You get a hand pump and two empty bottles, making it easy to use and carry.
• Versatile Use: It’s not just for trucks; you can use it for farm and construction equipment too.

What Could Be Improved:

• The exact effectiveness of the “anti-gel” feature at the lower end of its stated range (-10F) might vary depending on specific fuel blends and conditions.

Opti-Lube XPD is a solid investment for any diesel owner looking to improve their engine’s health and efficiency. It offers great value with its comprehensive features and included accessories.