The ON3 Performance 61mm Journal Bearing Turbocharger builds on ON3’s strong reputation for reliable, high-performing journal bearing turbochargers. Designed for both street and race applications, this turbo has become especially popular in V8 twin turbo setups, offering excellent spool characteristics, strong airflow, and dependable power capability.

This turbocharger is a proven option for builders looking for an affordable and durable large-frame turbo for custom twin turbo applications, particularly in Mustang, LSX, and other high-performance V8 platforms.

Ideal for Twin Turbo V8 Applications

The ON3 61mm is commonly used in moderate horsepower twin turbo V8 builds, making it a strong choice for engines in the 300–400 cubic inch range.

In properly matched twin turbo applications, this setup is ideal for:

• 500–1100 HP combinations
• Street/strip performance builds
• Custom twin turbo V8 projects
• Mustang, LSX, and large displacement performance platforms

Over the last several years, this turbocharger has gained popularity among LSX and custom V8 twin turbo builders looking for reliable airflow, controlled boost response, and excellent value.

Its sizing makes it ideal for combinations where fast spool, controlled backpressure, and strong mid-to-top-end performance are important.

Features & Benefits:

• 61mm Journal Bearing turbocharger
• Great for twin turbo V8 applications
• Supports 500–1100 HP in properly matched twin turbo setups
• Excellent for 300–400ci engine combinations
• Proven ON3 journal bearing reliability
• Strong spool response and airflow efficiency
• Durable design for street or race use
• Ideal for Mustang, LSX, and custom turbocharged builds
• Cost-effective performance turbo solution

Compressor Side Specifications

• Compressor Wheel: 61mm
• Compressor A/R: .70
• Compressor Inlet: 4.0"
• Compressor Outlet: 2.5"
• Inducer: 61mm
• Exducer: 99mm

Turbine / Exhaust Side Specifications

• Exhaust Housing: T4 Flange
• Exhaust Housing A/R: .68
• Outlet Size: 3.0" V-Band
• Turbine Inducer: 74.5mm
• Turbine Exducer: 65mm

Recommended Oil Feed & Drain Setup

Proper oiling is critical to turbocharger longevity:

• Oil Feed: 4AN
• Oil Drain Return: 5/8"

Correct feed and drain sizing helps ensure proper lubrication and oil return, reducing the risk of premature wear or turbocharger damage.

The ON3 Performance 61mm Journal Bearing Turbocharger is an excellent choice for builders needing dependable spool response, strong horsepower capability, and proven reliability in moderate to high-horsepower twin turbo V8 applications.