Manner of Procedure - it is necessary to carry out repairs inside a timely manner if vital, regulate the valves; The oil return should be insulated from warmth supplied off with the turbo. Because of this we source insulated heat protect sleeve (orange) and gold foil for maximum thermal defense. https://jdmmitsubishi4b12outlande65319.blogitright.com/28955619/mivec-4b12-engine-options