Turbo oil drain
02-07-2011, 05:02 PM
#15
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Timing chain cover, as u can tell in my particular year model truck the drain on the left wouldnt work due to clearence issues, npt threaded and jb weld!
Last edited by Swerve7rpm2000; 02-07-2011 at 05:16 PM.
02-07-2011, 11:04 PM
#18
Because typical T4 frame based turbo's have a 3/4" ID exit from the bottom of the center section. -12 is 3/4" ID. I elected to not step it down. I am a little sensitive to turbo drains considering what I went through installing gravity drain based TT kits on C5's. Granted front mount truck turbo's are typically mounted higher so gravity and their proximity to the pan allow more options. The -12 move was to prevent the question ever arising again if I have a turbo smoking problem or oil winding up in the charge section. I also do not have any 90 degree bends in my drain. It's one less variable to factor into any pontential future troubleshooting.
