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AMSOIL – SIGNATURE SERIES 0W40 SYNTHETIC ENGINE OIL – 0.946L- AZFQT
£13.80 ex VAT - £16.56 inc VAT
Engineered for enthusiasts seeking maximum protection and performance. Precision-formulated with cutting-edge technology and a longstanding devotion to making the world’s best engine oil. The result: engine protection that blows the doors off the highest industry standards.
? 50% more cleaning power vs. AMSOIL – OE Engine Oil
? Ideal for turbos & direct injection
? Guaranteed protection for up to 25 000 miles or 1 year
Further Info
Protects Against Engine Wear
AMSOIL – Signature Series Synthetic Engine Oil develops a strong fluid film that keeps metal surfaces separated while its robust anti-wear additives further reduce wear in metal-to-metal contact regions for maximum engine life. The Sequence IVA Engine Test, which must be passed to meet the industry-standard API SN specification, simulates extended periods of stop-and-go driving. For 100 hours, the test engine cycles between 50 minutes of idling and 10 minutes of elevated rpm ? conditions that encourage engine wear. The camshaft is then measured for wear in 84 locations and an average score is determined. We used Signature Series 0W-20, the lightest viscosity in the line, to further increase the severity of the test. AMSOIL – Signature Series Synthetic Engine Oil provided 75 percent more engine protection against horsepower loss and wear1 than required by the industry standard, extending the life of vital components like pistons and cams.
After rigorous third-party testing, the cam lobes show little-to-no wear.
SEQUENCE IVA ENGINE TEST
Lower number = less wear
1Based on independent testing of AMSOIL – Signatur e Series 0W-20, in ASTM D6891 as required by the API SN specification.
Extends Drains: Protection Guaranteed
AMSOIL – Signature Series Synthetic Engine Oil provides reserve protection, allowing you to go longer between oil changes if you choose ? up to 25,000 miles, 700 hours of operation or one year, whichever comes first*. Our unique synthetic formulation and long-drain additive system are inherently stable to resist oxidation and neutralise acids over longer periods. Signature Series is designed to deliver outstanding engine protection, cleanliness and performance over extended drain intervals ? guaranteed. It provides peace of mind so you can fit oil changes into your schedule.
1 Based on independent testing of AMSOIL – Signature Series 5w-30 engine oil, in the LSPI engine test as required for the GM dexos 1? Gen 2 specification.
2 Based on independent testing of AMSOIL – Signature Series 5W-30 in the GM turbo coking test.
3 vs. AMSOIL – OE Engine Oil
4 Based on independent testing of AMSOIL – Signature Series 5W-30 in the ASTM D6593 engine test for oil screen plugging as required by the API SN specification.
* All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use. All products advertised here are developed by AMSOIL – for use in the applications shown.
Preserves Horsepower
The extreme durability of Signature Series Engine Oil ensures your engine runs stronger, for longer. We installed Signature Series 5W-30 Synthetic Engine Oil in a Ford* F-150 with a new 3.5L Ecoboost engine to test its ability to protect turbocharged direct-injection (TDGI) engines from torque and horsepower loss during extended drain intervals up to 25,000 miles. Power sweeps were done at the beginning and end of the test to evaluate horsepower and torque retention. As the graph shows, Signature Series helped maintain engine performance throughout the 100,000 mile test.
Limits Oil Consumption
Signature Series has a uniform molecular structure that limits evaporation and keeps it where it’s needed most ? protecting your engine. Volatility (burn-off) occurs when oil gets hot, causing lighter molecules to burn off or evaporate. This leads to oil thickening, additive imbalance, higher emissions and oil consumption. The NOACK Volatility test is the industry standard for evaluating Engine oil high temperature evaporation. It measures the percentage of burn-off after a Engine oil is placed under constant airflow at 482?F for 1 hour. A lower number indicates a better resistance to evaporation. Signature Series falls far below the API limit for volatility, reducing the need for frequent oil top-offs and limiting vehicle emissions.
Easier Cold-Starts
Signature Series Synthetic Engine Oil does not contain paraffins (wax) and stays fluid in temperatures of -58?F and lower. Extreme cold causes other engine oils to thicken, starving vital moving parts of lubrication, accelerating wear and even preventing vehicles from starting. Signature Series provides 66 percent better cold-temperature performance for easier starting, better fuel economy, improved oil flow (as seen below) and reduced wear.
Maintains Protective Viscosity
We formulated Signature Series with superior thermal durability that resists breakdown better than conventional and synthetic engine oils. The Sequence IIIH Test uses the Chrysler 3.6L Pentastar engine to evaluate a engine oil’s ability to resist the damaging effects of heat. The test is conducted with oil temperatures of 304?F, 100?F hotter than normal operation, to accelerate oil thickening and deposits. Despite the extreme conditions, Signature Series kept pistons clean and held thickening to only 6 percent, a minimal amount compared to the proposed specification limit of 150 percent.1 This stay-in-grade performance helps maintain maximum power and fuel economy while also ensuring advanced technologies like variable valve timing (VVT) operate as designed throughout the entire drain interval.
Available on back-order
AMSOIL – SIGNATURE SERIES 0W40 SYNTHETIC ENGINE OIL –
0.946L- AZFQT
AMSOIL – SIGNATURE SERIES 0W40 SYNTHETIC ENGINE OIL –
0.946L- AZFQT
Engineered for enthusiasts seeking maximum protection and performance. Precision-formulated with cutting-edge technology and a longstanding devotion to making the world’s best engine oil. The result: engine protection that blows the doors off the highest industry standards.
? 50% more cleaning power vs. AMSOIL – OE Engine Oil
? Ideal for turbos & direct injection
? Guaranteed protection for up to 25 000 miles or 1 year
Further Info
Protects Against Engine Wear
AMSOIL – Signature Series Synthetic Engine Oil develops a strong fluid film that keeps metal surfaces separated while its robust anti-wear additives further reduce wear in metal-to-metal contact regions for maximum engine life. The Sequence IVA Engine Test, which must be passed to meet the industry-standard API SN specification, simulates extended periods of stop-and-go driving. For 100 hours, the test engine cycles between 50 minutes of idling and 10 minutes of elevated rpm ? conditions that encourage engine wear. The camshaft is then measured for wear in 84 locations and an average score is determined. We used Signature Series 0W-20, the lightest viscosity in the line, to further increase the severity of the test. AMSOIL – Signature Series Synthetic Engine Oil provided 75 percent more engine protection against horsepower loss and wear1 than required by the industry standard, extending the life of vital components like pistons and cams.
After rigorous third-party testing, the cam lobes show little-to-no wear.
SEQUENCE IVA ENGINE TEST
Lower number = less wear
1Based on independent testing of AMSOIL – Signatur e Series 0W-20, in ASTM D6891 as required by the API SN specification.
Extends Drains: Protection Guaranteed
AMSOIL – Signature Series Synthetic Engine Oil provides reserve protection, allowing you to go longer between oil changes if you choose ? up to 25,000 miles, 700 hours of operation or one year, whichever comes first*. Our unique synthetic formulation and long-drain additive system are inherently stable to resist oxidation and neutralise acids over longer periods. Signature Series is designed to deliver outstanding engine protection, cleanliness and performance over extended drain intervals ? guaranteed. It provides peace of mind so you can fit oil changes into your schedule.
1 Based on independent testing of AMSOIL – Signature Series 5w-30 engine oil, in the LSPI engine test as required for the GM dexos 1? Gen 2 specification.
2 Based on independent testing of AMSOIL – Signature Series 5W-30 in the GM turbo coking test.
3 vs. AMSOIL – OE Engine Oil
4 Based on independent testing of AMSOIL – Signature Series 5W-30 in the ASTM D6593 engine test for oil screen plugging as required by the API SN specification.
* All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use. All products advertised here are developed by AMSOIL – for use in the applications shown.
Preserves Horsepower
The extreme durability of Signature Series Engine Oil ensures your engine runs stronger, for longer. We installed Signature Series 5W-30 Synthetic Engine Oil in a Ford* F-150 with a new 3.5L Ecoboost engine to test its ability to protect turbocharged direct-injection (TDGI) engines from torque and horsepower loss during extended drain intervals up to 25,000 miles. Power sweeps were done at the beginning and end of the test to evaluate horsepower and torque retention. As the graph shows, Signature Series helped maintain engine performance throughout the 100,000 mile test.
Limits Oil Consumption
Signature Series has a uniform molecular structure that limits evaporation and keeps it where it’s needed most ? protecting your engine. Volatility (burn-off) occurs when oil gets hot, causing lighter molecules to burn off or evaporate. This leads to oil thickening, additive imbalance, higher emissions and oil consumption. The NOACK Volatility test is the industry standard for evaluating Engine oil high temperature evaporation. It measures the percentage of burn-off after a Engine oil is placed under constant airflow at 482?F for 1 hour. A lower number indicates a better resistance to evaporation. Signature Series falls far below the API limit for volatility, reducing the need for frequent oil top-offs and limiting vehicle emissions.
Easier Cold-Starts
Signature Series Synthetic Engine Oil does not contain paraffins (wax) and stays fluid in temperatures of -58?F and lower. Extreme cold causes other engine oils to thicken, starving vital moving parts of lubrication, accelerating wear and even preventing vehicles from starting. Signature Series provides 66 percent better cold-temperature performance for easier starting, better fuel economy, improved oil flow (as seen below) and reduced wear.
Maintains Protective Viscosity
We formulated Signature Series with superior thermal durability that resists breakdown better than conventional and synthetic engine oils. The Sequence IIIH Test uses the Chrysler 3.6L Pentastar engine to evaluate a engine oil’s ability to resist the damaging effects of heat. The test is conducted with oil temperatures of 304?F, 100?F hotter than normal operation, to accelerate oil thickening and deposits. Despite the extreme conditions, Signature Series kept pistons clean and held thickening to only 6 percent, a minimal amount compared to the proposed specification limit of 150 percent.1 This stay-in-grade performance helps maintain maximum power and fuel economy while also ensuring advanced technologies like variable valve timing (VVT) operate as designed throughout the entire drain interval.
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