PRE Tuning

Category Archives: Blog

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 […]


ARP K04-64 Borg Warner turbo rebuild for a VW Golf GTI

Recently a customer brought us a damaged K04 turbocharger for service. The turbo was burning oil and exhibited excessive shaft play. Upon removal of the compressor housing, it was evident the turbocharger sucked in debris in its life and the leading edges of the compressor wheel blades were damaged. The following tasks were performed to […]


2008 Subaru Impreza STI testing PRE billet wheel VF48 turbocharger

This is another testing session of the PRE 11 blade billet compressor wheel on a Subaru. This time the candidate is a 2008 STI with the EJ257 engine equipped with dual AVCS. This car belongs to the tuner we use for all our ECU calibration needs. This car suffered a rod bearing failure at 125,000 […]


PRE head stud kit for Nissan QR25DE engine

What is new at PRE? Recently released and selling all over United Stated and even internationally. We are talking about the head stud kit for the Nissan QR25DE engine. We worked with ARP to make this kit available. No more using factory inferior torque to yield bolts. PRE FASTENER ADVANTAGE: PRE head stud kit is […]


Aston Martin Vantage V8 race engine part development

BACKGROUND We were contacted by a team competing in the Pirelli World Challenge with an Aston Martin Vantage V8. The team was supplied a prepared race car with a stock engine which is not suitable for endurance racing. We designed and supplied forged pistons, forged connecting rods by Carrillo, PRE head stud kit, PRE main […]


Subaru WRX EJ205 stroker with Borg Warner EFR7163 turbo dyno graph

Below is a dyno graph and engine and vehicle preparation summary of a 2002 Subaru Impreza WRX wagon we tested recently. Testing was performed with a target boost of 21psi and still a very conservative ECU calibration. Peak boost is 21psi and tapers down to 17psi at redline. Engine short block build details listed below: OEM […]


Subaru ignition coil connectors now in stock! Available both black and white

Due to popular demand we are now offering Subaru ignition coil connectors to the public. We are proud to offer brand new, OEM ignition coil connectors for all Subaru engines equipped with individual cylinder ignition coils. Subaru engine bays reach very high temperatures causing plastic connector heat cycling and leading to brittle tabs which eventually […]


PRE turbine shaft for Subaru Impreza STI IHI VF34 turbocharger

Pavel’s Racing Engines is pleased to offer parts to rebuild your damaged or worn out IHI VF34 ball bearing turbocharger. This turbo typically found in Subaru Impreza STI vehicles with an EJ207 engine. DIMENSIONS: Inducer: 48.00mm Exducer: 53.00mm Exducer tip height: 9.20mm You may purchase this turbine shaft from our eBay store: IHI VF34 turbine shaft […]


PRE billet compressor wheel upgrade for IHI turbocharger

Pavel’s Racing Engines is extremely excited to offer this product to the public. We have been testing these compressor wheels in various turbocharger models and engine combinations. Every time this product proves to make more power than its cast aluminum counterpart! We tested these compressor wheels on the dyno with a consistent 25-30WHP gain at […]


Connecting rod bearings for FA20 and 4UGSE engine by King Bearings

Pavel’s Racing Engines is pleased to offer high performance connecting rod bearings for the Subaru FA20 and Toyota/Scion FRS 4UGSE engine. This bearing kit made by King Bearings and meant for high performance street and race engine use. AVAILABLE GRADES: H-STD (standard) HX-STD (extra clearance by 0.0010 inch) H-STD 0.025 (less clearance by 0.0010 inch) […]


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