PRE Tuning

Category Archives: Tech Section

Differential welding service Mazda Miata

This is a differential we welded for a local drifter. The car is a Mazda Miata. Stock open differential would not work at all and a Torsen differential was too unpredictable for the customer’s liking. This open differential was supplied for welding services. Our differential welding service is different from most people. While most think it is […]


Differential welding service Lexus SC300 SC400

This is a differential we welded for a local drifter. The car is a 1997 Lexus SC300 5spd. Stock open differential would not work at all and a Torsen differential was too unpredictable for the customer’s liking. This open differential was supplied for welding services. Our differential welding service is different from most people. While […]


DIY: Z32 Nissan 300ZX caliper rebuild and service

Today we show the process of rebuild a set of calipers off a Z32 Nissan 300ZX. These calipers were removed from a 1990 300zx, so they are all aluminum front calipers meant to be used with 26mm wide rotors. The rebuild process for all 300ZX calipers will be the same. We rebuilt both front and […]


Hyundai Genesis Coupe 2.0T Theta Engine ARP Main Stud Kit

We would like to announce the development of a main stud kit for the Hyundai Genesis Coupe Theta I4 engine. Theta I4 engine is very similar to the Mitsubishi 4B11T engine. This kit was developed because no such application was available in the aftermarket performance industry. This kit was custom developed in a collaboration between […]


Engine Break-in Instructions

Pavel’s Racing Engines recommends the following engine break-in instructions to all of our engine customers. The following procedure is a compilation of information collected over the years from very reputable sources such a TRD Formula Atlantic, VW SuperVee, and World Champion snowmobile engine builders. We have had zero engine failures due to using this engine […]


Turbocharger Installation Instructions

TURBO INSTALLATION INSTRUCTIONS (All items may not apply to your application.) READ THIS FIRST! PRIOR TO ATTEMPTING A TURBOCHARGER INSTALLATION YOU MUST COMPLETELY READ AND UNDERSTAND THE INSTRUCTIONS. IF YOU HAVE ANY QUESTIONS PLEASE CONTACT US FOR TECHNICAL SUPPORT. When installing a turbocharger, you must observe the following instructions: Change oil and filter prior to […]


Conversion of Ball Bearing Turbos

Most people know ball bearing turbochargers cannot be rebuilt. Manufacturers do not sell parts to service these unit leaving customers with damaged turbochargers no options other than keeping it as an expensive paper weight or send it in through an exchange program. Garrett charges between $800-900 US dollars for a new replacement CHRA, this being […]