This 2JZ Exhaust Manifold Uses the Opposite of EGR for Anti-Lag

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By Car Brand Experts

Unlocking the Power: A New Era of Anti-Lag Exhaust Manifolds

Introducing the Innovative 2JZ Exhaust Manifold Design

Are you intrigued by the unconventional appearance of the 2JZ exhaust manifold? It’s not just a visual spectacle; it’s a groundbreaking piece of technology designed by British race shop Walton Motorsport, renowned for its contributions to rally cars, Le Mans, and even Formula 1. This unique manifold features secondary pipes connected to each exhaust runner, but contrary to expectations, these pipes are not for emissions control but for introducing clean, unburned air, creating a cutting-edge anti-lag system.

The Mechanics Behind Fresh Air Anti-Lag

Fresh air anti-lag, a form of anti-lag, is a game-changer in combatting turbo lag. By delaying ignition timing, combustion occurs in the exhaust manifold as the air-fuel mix exits the cylinder, keeping the turbo spooled even when the throttle is closed. Traditionally limited to top-tier motorsports due to its drawbacks such as equipment damage and decreased drivability, fresh air anti-lag operates differently. It introduces air directly into the turbo’s hot side through a specialized system, enhancing efficiency and performance.

Benefits of Fresh Air Anti-Lag

Thanks to the innovative design, fresh air anti-lag lowers exhaust temperatures and boosts efficiency. In a test conducted by Walton Motorsport, conventional anti-lag led to exhaust temperatures around 950 degrees, whereas the fresh air system reduced temperatures to 650 degrees while improving effectiveness and response. For instance, on a demo car with a 2JZ-GTE engine, the system achieved 1.3 bar (19 psi) of boost at just 1,800 rpm when off the throttle, showcasing its remarkable capabilities.

Embracing the Future of Anti-Lag Technology

While traditional anti-lag systems may pose challenges like excessive noise and reduced drivability, fresh air anti-lag pushes boundaries with its impressive performance. Equipped with safety measures to prevent runaway scenarios, this revolutionary technology is gaining traction in motorsports and could soon make its way to mainstream automotive enthusiasts.

Conclusion

The 2JZ exhaust manifold revolutionizes anti-lag technology, offering unprecedented performance and efficiency. With fresh air anti-lag, turbo lag becomes a thing of the past, paving the way for enhanced throttle response and power delivery. As this cutting-edge technology gains popularity, it’s poised to transform the automotive industry.


FAQs

What is anti-lag in turbo systems?

Anti-lag systems are designed to minimize turbo lag by maintaining the turbocharger’s rotational speeds during throttle lift-off, enhancing throttle response.

How does fresh air anti-lag differ from traditional anti-lag systems?

Fresh air anti-lag introduces clean, unburned air directly into the exhaust manifold, reducing exhaust temperatures, improving efficiency, and enhancing performance compared to conventional anti-lag methods.

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