PRE Tuning

Category Archives: Turbo Services

Vband turbine housing for Garrett GT28 GT30 and GT35 turbos

Pavel’s Racing Engine’s, Inc. is proud to offer cast stainless steel turbine housings with Vband in/Vband out configuration for Garrett GT28, GT30, and GT35 turbochargers. We have used these housings on shop test vehicles as well as customer cars across the United States. This is a very popular item for Subaru owners using a rotated […]


IHI VF40 and VF46 turbo comparison

IHI is the main supplier of OEM turbocharger to Subaru auto company. Although there are abundance of different turbo models across Subaru, they are mostly same turbochargers with slight variations. Today we will look at similarities and difference of the IHI RHF5H VF40 and IHI RHF5H VF46 turbochargers. IHI VF40 is a turbocharger most commonly […]


Volvo 850R TD04HL-16T rebuild and upgrade to 19T

This is another typical turbo project at shop. Customer sent in a TD04HL-16T turbocharger off a Volvo 850R. The turbo was in fairly good shape. Customer was in need for a standard rebuild service and upgrade of the compressor wheel from the 16T to 19T. This type of rebuild and upgrade service costs $500. This […]


GMC Typhoon Syclone TD06-17C turbo rebuild

This is a Mitsubishi Heavy Industries(MHI) TD06-17C turbocharger off a GMC Typhoon. This turbo was sent in by a customer for our “Basic Rebuild Service”. This turbo just started showing signs of bearing wear and oil consumption. Turbocharger completely disassembled, all components cleaned, and inspected. Bearings, housings, rotors, and turbine shaft measured with precision micrometers […]


Eaton M90 MP90 supercharger rebuild and modification

Story: This is another custom project we did for a local customer. We modified an Eaton MP90 supercharger designed to fit a Toyota Tundra and machined it to fit a Lexus LS430 3UZ-FE V8 engine. The supercharger snout was too long for proper alignment of the belt drive system. The original TRD pulley was 2.3 […]


Subaru IHI turbo specifications

This page is dedicated to various IHi turbos for subaru vehicles.


Subaru Legacy GT IHI VF40 turbo rebuild

We have been extremely busy with turbo rebuilds and finally have pictures of a turbo rebuild we did for a customer in Anchorage, Alaska. This is an IHI VF40 turbocharger that came off a 2005 Subaru Forester. The turbo was in very bad shape when we received it for the overhaul. Customer complained of major […]


Subaru Impreza STI IHI VF39 turbine housing wastegate porting

Pavel’s Racing Engines is proud to offer turbine housing porting and blending services for your turbochargers. This is a purposeful modification and not just another thing to add to your “modifications list”. Main purpose of turbine housing porting is to reshape the inlet and remove airflow restriction to the internal wastegate. Restrictive wastegate castings can […]


Subaru Impreza WRX IHI VF52 turbine housing wastegate porting

Pavel’s Racing Engines is proud to offer turbine housing porting, blending, and polishing services for your turbochargers. This is a purposeful modification and not just another thing to add to your “modifications list”. Main purpose of turbine housing porting is to reshape the inlet and remove airflow restriction to the internal wastegate. Restrictive wastegate castings […]


Subaru Impreza WRX 02-06 TD04H-13T Turbo Rebuild

This yet another type of Subaru turbo we rebuild at PRE. This unit came in poor condition. A lot of shaft play, smoking and burning oil, and visibly damaged compressor wheel. Upon disassembly, cleaning, and inspection we decided this turbo still qualifies for our Basic Turbo Rebuilt Service with the only additional cost being new […]


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