What is the purpose of the 1.24 A/R turbine housing?

The 1.24 A/R (Area-to-Radius ratio) on the turbine housing helps to balance the turbocharger's performance. A larger A/R like this generally promotes better high-RPM power output and can help reduce exhaust backpressure, while still allowing for reasonable spool-up characteristics for many applications.

What does 'externally wastegated' mean for this turbocharger?

An externally wastegated turbocharger uses a separate wastegate unit mounted on the exhaust manifold or downpipe. This allows for more precise control over boost pressure compared to an internal wastegate, preventing over-boosting and helping to maintain consistent power delivery.

What supporting modifications are typically needed when installing this turbocharger?

Installing a turbocharger of this size and capability usually requires significant supporting modifications. This often includes an upgraded fuel system (injectors, fuel pump), an engine management system for tuning, a custom exhaust system, and potentially upgrades to the intercooler and intake plumbing.

Turbosmart TS-1 Turbocharger T4 1.24AR Externally Wastegated

Name: Turbosmart 8280 T4 1.24AR Externally Wastegated TS-1 Turbocharger
Brand: Turbosmart
SKU: turbosmart-turbosmart-8280-t4-1-24ar-externally-wastegated-ts-1-turbocharger-t14-815916
Price: 3122.99 USD
Availability: BackOrder

Turbosmart 8280 T4 1.24AR Externally Wastegated TS-1 Turbocharger

$3122.99

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Turbosmart TS-1 turbocharger with T4 flange and 1.24 AR housing. Not CARB approved.

Key Features

This turbocharger features a T4 turbine inlet flange.
It includes a 1.24 A/R turbine housing for balanced performance.
The unit is designed with an externally wastegated configuration for precise boost control.
It utilizes a durable bearing system for reliability under boost.
The compressor wheel is designed for high-flow characteristics.
The cast iron turbine housing is built to withstand high exhaust gas temperatures.

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Product Details

The 1.24 A/R turbine housing on this Turbosmart TS-1 turbocharger is a key detail, offering a balance between quick spool-up and high-end power for many performance applications. This externally wastegated unit is built around a robust core designed for durability and consistent boost control. It features a T4 turbine inlet flange, a common size for many aftermarket turbo setups, making it a versatile choice for builders looking to upgrade their forced induction system.

At its heart, the TS-1 utilizes a high-flow compressor wheel paired with a durable bearing system. This combination is engineered to handle significant boost pressures while maintaining reliability. The external wastegate setup allows for precise control over boost levels, preventing over-boosting and ensuring the engine operates within safe parameters. This is crucial for maximizing performance without compromising the longevity of your engine components. The cast iron turbine housing is built to withstand the high temperatures associated with exhaust gases, contributing to the overall robustness of the unit.

When considering a turbocharger of this caliber, it's important to ensure your supporting systems are up to the task. This includes proper fuel delivery, engine management tuning, and an exhaust system capable of handling the increased flow. While this turbocharger is not CARB approved and cannot be shipped to California, it represents a solid option for performance builds in other regions seeking a well-built, externally wastegated turbocharger with a focus on reliable power delivery.