Best Oil Additive For Engine Knock

Aeroshell SHAEW155-12 15W50 Shell Aviation Oil 1 Quart 12 Pack

The non-ash forming, polymeric additive promotes engine cleanness.
High viscosity index semi synthetic oil protects engine components under high shear stresses.
Reduces oil consumption up to 50percent and fuel up to 5percent over straight grade engine oils.
Compatible with other approved aircraft piston engine oils.
performance allows for improved engine operation in temperature extremes.

One 15 fl oz bottle of STP High Mileage Oil Treatment + Stop Leak.
ZDDP oil additive prevents wear to protect your high-mileage vehicle.
High-viscosity formula creates a thick cushion between moving engine parts to reduce friction.
Leak stopper helps prevent engine leaks, noises and smoking and helps to rejuvenate seals and gaskets.
Add this oil treatment to engine oil during every oil change.

Mobil 1 Truck & SUV advanced full synthetic motor oil 5W-30 is specially formulated for hardworking trucks and SUVs that operate in tough conditions....
Helps to protect critical engine parts for up to 10,000 miles between oil changes, controlling oxidation to prevent oil breakdown and maintaining....
Contains a 10% boost** in an additive that helps prevent deposit formation.
Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -30 degrees F).
Keeps your engine running like new by providing unsurpassed wear protection.

Conventional 10W-30 diesel engine oil with Triple Protection technology protects against wear, deposits, and oil breakdown.
Protects your bottom line with a lower viscosity that allows for less engine resistance for improved fuel economy compared to an SAE 15W-40.
Formulated with advanced additive technology for enhanced deposit protection to help keep engines cleaner over the oil drain interval.
Enhanced protection against oil oxidation for more efficient operation.
Increased shear stability for better viscosity control and optimal engine oil pressure (compared to the previous formulation).
Meets or exceeds API CK-4 requirements and is designed to provide extra performance in both older and new engines.
Case of three 1-gallon bottles with ergonomic design for easy handling and pouring.
Exceptional wear protection for longer life in a wide range of heavy-duty engine applications from diesel pickup trucks to tractors to tractor trailers.

Fully synthetic low viscosity premium class motor oil, developed to meet the high demands of modern Asian and American gasoline engines..
The innovative additive technology guarantees best wear protection and engine cleanliness, lowest oil and fuel consumption and highest engine efficiency..
Ideally suited for engines with direct injection (GDI) and turbochargers.
Use with extended oil change intervals as per manufacturer..

This technologically advanced semi-synthetic base stock and additive 2-stroke engine oil provides all-season performance and greatly reduces visible smoke.
Low deposits and reduced carbon and varnish deposit means longer engine life and greater performance over time.
It provides exceptional lubrication in all temperatures, and a special additive maintains flow and prevents “gelling” in sub-zero conditions.

GROUNDBREAKING: Made in the USA – TriboTEX is a revolutionary engine oil additive. It contains synthetic nanoparticles developed with funding from the U.S. Department of Energy, NASA, & the National Science Foundation..
QUIETER & SMOOTHER PERFORMANCE: Reverses wear in bearings by building a diamond-like carbon coating..
UNIVERSAL: Compatible with all types of motor oil and can be used in gas or diesel engines. Use for both old and new cars. It is an excellent engine booster..
EFFICIENT: Our masterfully engineered engine treatment improves fuel consumption and reduces engine noise. It is time to improve your engine and take your driving experience to a new level..
GUARANTEED QUALITY: We know you will be delighted with this ground-breaking technology. Our treatment comes with a 100% satisfaction guarantee..

ELIMINATES STICTION: Stiction occurs when spool valves stick, generating friction within the injector oiling chambers. Stiction Rx helps remove this gunk in the injectors of your 6.0 or 7.3 Ford Powerstroke engine..
CLEANS HEUI INJECTORS: This formula is based on our popular Oil Fortifier. We’ve added more detergent to better clean the top part of injectors. It will remove stubborn oil deposits with ease..
GETS RID OF OIL SLUDGE: Sludge and build-up in your oil passages can harm your motor’s overall efficiency, power, and performance. Stiction Rx helps flush out your oil passages for smoother operating..
RECLAIMS LOST HORSEPOWER: Rev up your engine when you use Opti-Lube Stiction Rx! This oil treatment reclaims your lost horsepower, virtually restoring your engine to its full capacity..
FOR DIESEL ENGINES: Our Stiction Rx oil additive is specifically designed to clean injectors of 6.0 and 7.3 Powerstroke diesel motors..