$65.38
$122.26
Real Street Class Legal Turbocharger – Power Meets Precision Engineered to handle up to 750 horsepower, the F2 55mm Real Street Class Legal Turbocharger is designed for maximum performance with minimal lag. Featuring HPT’s Quick Spool Technology, this turbo delivers exceptional efficiency while maintaining rapid boost response. HPT turbochargers are built with a cutting-edge bearing system and lightweight rotating groups, optimizing aerodynamics for superior airflow and reduced resistance. This advanced design allows for a larger turbo size without compromising transient response, giving racers the competitive edge they need. FEATURES F2 Compressor Cover w/ Ported Shroud Speed Sensor Provision 2618 Aluminum Compressor Wheel 713C Inconel Turbine Wheel Cast Iron Bearing Housing w/ Integrated Back Plate Ceramic Dual Ball Bearing System 310 Investment Cast Stainless Steel Turbine Housing SPECS Compressor Cover Inlet: 4″ Compressor Cover Discharge: 2 1/2″ Stainless Steel Turbine Housing V-band Inlet V-Band Discharge 0.82 A/R Turbo Terminology A/R: Area Over Radius A/R: Area Over Radius” on a turbo refers to the ratio between the cross-sectional area of the turbine housing inlet and the radius from the turbo’s centerline to the center of that area, essentially indicating the size of the turbine housing and significantly impacting how quickly a turbocharger can spool up and produce boost, with a larger A/R signifying slower spool but higher potential horsepower at high RPMs, and a smaller A/R meaning faster spool but less peak power potential. Key Points Meaning of the calculation: A/R is calculated by dividing the inlet area of the turbine housing by the radius to its center. Impact on performance: A larger A/R housing means slower spool-up but better for high horsepower applications, while a smaller A/R housing provides quicker boost response but may limit peak power. Choosing the right A/R: Selecting the appropriate A/R depends on the desired engine characteristics, such as whether you prioritize fast acceleration (smaller A/R) or maximum horsepower at high RPMs (larger A/R). Ceramic Dual Ball Bearing System A “Ceramic Dual Ball Bearing System” on a turbo refers to a turbocharger bearing system where the rotating shaft is supported by two sets of ball bearings, with each ball within those bearings made from ceramic material, offering advantages like reduced friction, faster spool-up, and improved durability compared to standard steel ball bearings, particularly in high-performance applications. Key Points Ceramic balls: The primary benefit is the use of ceramic balls which are lighter and have a lower coefficient of friction compared to steel, leading to faster acceleration and less heat generation. Dual bearing system: This means there are two sets of ball bearings supporting the shaft, often arranged to handle both radial and axial loads effectively. Improved performance: Due to the lower friction, ceramic dual ball bearings can provide quicker spool-up times, better responsiveness, and increased efficiency in the turbocharger. Why are ceramic bearings preferred in high-performance applications? High-temperature resistance: Ceramic materials can withstand higher temperatures than steel, which is important in the harsh environment of a turbocharger. Reduced wear: The lower friction of ceramic balls results in less wear and tear on the bearing components. Lower inertia: The lighter weight of ceramic balls contributes to faster acceleration and better responsiveness. Compressor Cover Discharge A “Compressor Cover Discharge” on a turbo refers to the opening or outlet on the compressor housing of a turbocharger, where the compressed air exits after being processed by the compressor wheel and is then directed towards the intercooler and eventually into the engine; essentially, it’s the point where the pressurized air leaves the compressor section of the turbo. Key Points Function: This opening allows the compressed air to flow out of the turbo and into the intake system of the engine. Location: It’s situated on the “cool side” of the turbo, which is the compressor side. Connection: The discharge is usually connected to a pipe or hose that leads to the intercooler, which cools the air further before it enters the engine. Compressor Cover Inlet A Compressor Cover Inlet on a turbocharger is the opening on the compressor housing where ambient air enters the turbocharger to be compressed by the compressor wheel; it’s essentially the point where fresh air first enters the turbo before being forced into the engine by the compressor mechanism. Key Points Function: It allows the intake air to flow into the compressor housing, which then compresses the air before sending it to the engine for combustion. Location: This inlet is usually on the “cool side” of the turbocharger, which is the compressor side. Connection: A hose or pipe from the air filter typically connects to the compressor cover inlet. Compressor Cover with Ported Shroud A “Compressor Cover with Ported Shroud” on a turbo is a specially designed compressor housing cover that features small ports or openings around the compressor wheel, allowing a controlled amount of air to recirculate back into the compressor, which helps prevent a condition called “compressor surge” by stabilizing airflow and extending the operational range of the turbocharger, especially at low engine speeds or light throttle conditions. Key Points Function: The ports on the shroud allow some air to escape from the compressor wheel near the blade tips, preventing excessive pressure buildup and ensuring smoother airflow, especially when the engine is not demanding high airflow. Surge Prevention: The primary benefit of a ported shroud is that it helps to push the “surge line” on a turbocharger’s compressor map further to the left, meaning the turbo is less likely to experience surge, a condition where airflow becomes unstable and can cause power loss or engine rough running. Performance Improvement: By mitigating surge, a ported shroud can improve overall turbocharger efficiency and responsiveness, especially in situations where rapid throttle changes occur. Compressor Wheel Inducer A “compressor wheel inducer” on a turbocharger is the smallest diameter section of the compressor wheel where air first enters, essentially the “leading edge” of the wheel that captures and accelerates incoming air, playing a crucial role in how effectively the turbo can draw in and compress air; it’s the point where the air initially makes contact with the spinning wheel. Key Points Function: Responsible for efficiently guiding air into the compressor wheel, significantly impacting the turbo’s ability to generate boost. Location: Situated right behind the nose of the compressor wheel. Design importance: The design of the inducer is critical for optimal air intake and compression. Comparison with Exducer: The opposite side of the compressor wheel where air exits, usually having a larger diameter than the inducer. Discharge Flange & Clamp A “Discharge Flange & Clamp” on a turbo refers to the flange located at the outlet of the compressor housing, where the compressed air exits the turbo, and the clamp that secures the connecting pipe to that flange, essentially creating a sealed connection between the turbo and the intercooler piping; it’s essentially the “exit point” for the pressurized air from the compressor stage of the turbo. Key Points Function: This connection point is crucial for ensuring a leak-proof seal to maintain optimal air pressure and efficiency in the intake system. Clamp design: Most often, a V-band clamp is used on the discharge flange due to its ability to provide a tight seal under high pressure and temperature conditions, while also allowing for easy assembly and disassembly. Importance of fit: Choosing the correct size and design of the discharge flange and clamp is important to match the specific turbo model and intercooler piping diameter. Inlet V-Band Discharge Inlet V-Band Discharge refers to the point where exhaust gases exit a turbocharger’s turbine housing, specifically using a V-Band connection as the attachment point at the inlet side of the turbine housing; essentially, it’s the opening where the exhaust gases leave the turbo after passing through the turbine wheel, secured with a V-Band clamp at the inlet flange of the housing. Key Points V-Band: A type of clamp used to create a secure connection between two flanges, often preferred in turbocharger systems due to its ease of assembly and flexibility. Inlet: In this context, “inlet” refers to the side of the turbine housing where exhaust gases first enter from the exhaust manifold. Discharge: This signifies the point where the exhaust gases are released from the turbine housing after being channeled through the turbine wheel. Speed Sensor Provision A “Speed Sensor Provision” on a turbo refers to a designated area or mounting point on the turbocharger housing where a turbo speed sensor can be installed, allowing the engine control unit (ECU) to monitor the rotational speed of the turbocharger shaft, which is crucial for optimizing engine performance and preventing potential damage from overspeeding conditions. Key Points Function: It provides a place to mount a sensor that detects the speed of the turbocharger’s spinning shaft, sending data to the ECU to adjust engine parameters accordingly. Benefits: Performance optimization: By monitoring turbo speed, the ECU can precisely control fuel injection and ignition timing to maximize engine efficiency across different driving conditions. Over-speed protection: The ECU can activate engine protection measures if the turbo speed exceeds safe limits, preventing potential damage to the turbo. Sensor types: Commonly used turbo speed sensors include Hall-effect sensors or magnetic pickup sensors, which generate a signal based on the rotation of a magnetic component on the turbo shaft. Turbine Housing The turbine housing is a critical component of a turbocharger, responsible for collecting exhaust gases from the engine and directing them through a volute (a spiral-shaped passage). This flow of high-energy gases drives the turbine wheel, causing the turbocharger to spin and generate boost. Often referred to as the “hot side” of the turbo, the turbine housing is continuously exposed to intense exhaust heat, making its design and material selection essential for performance and durability. Turbine Wheel Exducer A “turbine wheel exducer” on a turbocharger refers to the outer diameter of the turbine wheel, where the exhaust gases exit after spinning the turbine blades, essentially the point at which the exhaust gas leaves the wheel and flows out of the turbocharger housing; it’s considered the largest diameter of the turbine wheel. Key Points Function: The exducer design significantly influences the flow of exhaust gases, impacting the turbine’s efficiency and the overall performance of the turbocharger. Importance in performance tuning: When modifying a turbocharger, the size and shape of the exducer can be adjusted to optimize performance characteristics like boost response and power delivery. Comparison with inducer: In contrast to the “inducer” (the smaller diameter where exhaust gas enters the turbine wheel), the exducer is the larger diameter where the gas exits. Turbo Speed Sensor A turbo speed sensor is a component that measures the rotational speed of a turbocharger’s compressor wheel, providing data to the engine control unit (ECU) about how fast the turbo is spinning, which is crucial for monitoring turbo efficiency and preventing potential damage from excessive speeds; essentially, it acts like a “tachometer” for the turbocharger itself. Key Points Function: It detects the speed of the compressor wheel by counting the number of blades passing by a sensor mounted on the compressor housing. Importance: Helps optimize engine performance by ensuring the turbo operates within its efficient range, preventing overspeeding which can damage the turbo. Data usage: The ECU uses the turbo speed data to adjust fuel injection and ignition timing for optimal power delivery. Installation: Typically installed on the compressor cover of the turbocharger, often requiring specific machining to accommodate the sensor. V-Band Inlet Clamp V-Band is a circular turbine housing inlet flange type that uses a clamp to make a tight connection to the exhaust manifold. V-Band inlet housings are becoming more and more popular because they have a secure connection point that is easy to attach, and they provide more flexibility to move the housing around. V-Band Inlet Flange A “V-band inlet flange” on a turbo is a specially designed, V-shaped flange that connects the turbocharger’s inlet housing to the intake system, using a clamp mechanism called a “V-band” to secure the connection, allowing for quick and easy assembly and disassembly compared to traditional bolted flanges; essentially, it’s the point where air enters the turbo through a flexible, secure connection. Key Points Design: The flange has a “V” shaped profile that mates with a corresponding “V” shaped clamp, creating a tight seal when tightened. Benefits: Easy installation and removal: The clamp mechanism allows for quick connection and disconnection of the turbo without needing to deal with multiple bolts. Flexibility: Can accommodate slight misalignment between components. Durability: Typically made from high-quality stainless steel for resistance to heat and corrosion. V-Band Inlet V-Band Discharge A “V-band Inlet V-band Discharge” on a turbo refers to a turbocharger design where both the inlet (air coming into the turbo) and the discharge (exhaust leaving the turbo) connections use a V-band clamp system, allowing for a quick, secure, and flexible connection to the respective intake and exhaust piping, often favored in performance applications due to ease of installation and removal. Key Points Design: A V-band clamp consists of a circular band with a V-shaped cross-section that clamps onto a matching flange on the turbo housing and the connecting pipe, creating a tight seal. Easy installation and removal: V-bands can be quickly attached and detached without needing complex alignment, making maintenance and modifications easier. Flexibility: The design allows for slight movement between the turbo and the piping, accommodating potential thermal expansion. Secure connection: When properly tightened, V-bands provide a strong, leak-proof seal.
Turbos
