Is this 10 year GC8 build OVERKILL, or actually just PERFECT? Factory Subaru blocks can fail here, this build has all the right fixes 💪 Subaru engines are often criticised for reliability once boost and power increase, particularly when the factory cast block begins to separate under load. Damien Brand of B-Sport gives us a detailed breakdown of a 1250kg 1999 Version 5 GC8 Subaru Impreza STI hill climb car that has been built with reliability as the primary goal, not headline power numbers. Thi