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r0t0rhead · 12-18-2009, 10:47 PM

We chose -10 to avoid any oil drainage issues- Since the oil exiting the turbo is not pressurized, and gravity drains - a smaller size may cause oil backup to the turbo. NEVER had this problem on many turbo cars we've installed these on.
Bryan

12-18-2009, 10:47 PM	#3
r0t0rhead Rotary Fanatic Join Date: Jun 2008 Posts: 192 Rep Power: 18	We chose -10 to avoid any oil drainage issues- Since the oil exiting the turbo is not pressurized, and gravity drains - a smaller size may cause oil backup to the turbo. NEVER had this problem on many turbo cars we've installed these on. Bryan