Mitsubishi

Tomei 4B11 Testing + Development (download)

Pajero Evolution Homologation Papers

Mitsubishi Lancer Evo 1 Homologation Papers (download)

Lancer Evo 1-3 Group A Transmission Ratios

Galant VR-4 Group A Transmission Ratios

Evolution 4 to Evolution 5 Technical Comparison By Mitsubishi

Evolution V To Evolution VI Technical Comparison By Mitsubiushi

Subaru

Valve Bucket and Clearance Guide

Tomei EJ25 Product Development Guide (download)

Subaru Prodrive GC-8 Parts Catalogue Group-A

Subaru S5 WRC Parts list

Subaru Impreza GC8 WRC homologation Papers

Subaru STI GC8 Sports Parts Catalogue

General Tech

Tomei Piston Speed Guide

Boost Pressure Conversion

Skyline R32 Service Manual (English! download)

RB26Dett R32 Engine Manual (English! download)

E30 M3 Group A Manual

Callaway Turbo 320i E21 PDF