This is the diagram for the Oil supply to the turbo. The Hole on the back of the block is a 3/8" NPT (nation pipe thread standard) So what has to happen is we use an adapter from 3/8 to 1/8" NPT that matches the threads on the turbo oil suppy line. Some ask " why dont you just use a 3/8" hose?" more is better right............Well not always, drinking plenty of water everyday will help you stay healthy too much can drowned you. Same is for the turbo. Turbo's are designed to have oil squirt out a lubed bearing then dribble down the oil drain. The larger the hose the more oil goes there. Not to mention there would be a parasitic loss of oil pressure everywhere else in the engine, too much pressure would force oil through the seals on the turbines and would result in burning lots of oil. So lets Keep is simple 1/8" standard thread. I purchased a adapter today, I hope everything bolts up just like it does on paper.
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