Subaru Turbo Oil Scavenge |
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Subaru Turbo Oil Scavenge |
AndySomogyi |
Feb 9 2019, 01:13 PM
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#1
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Newbie Group: Members Posts: 22 Joined: 29-January 19 From: Bloomington IN Member No.: 22,839 Region Association: Upper MidWest |
How are you guys with Subaru turbo engines handling your turbo oil scavenge?
I'm actually swapping into a 912, and I don't have any room for a top mount turbo, so I have to go with a bottom mount turbo. That means I'll have to scavenge it somehow. The 914 too is pretty tight engine space wise, you guys also have to run a bottom mount turbo right? A couple options are one of those electric scavenge pumps, but I hear they're crazy noisy and loud. Another option is somehow machining one of the heads and using a cam mounted scavenge pump. Or what about using a power steering pump as a scavenge pump? |
wndsrfr |
Feb 9 2019, 07:25 PM
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#2
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Senior Member Group: Members Posts: 1,430 Joined: 30-April 09 From: Rescue, Virginia Member No.: 10,318 Region Association: MidAtlantic Region |
I'm going to ask a noob question....if the turbo bearing is pressure fed, then that pressure could push the oil back into the sump as long as there's no backpressure on the relief tubing....seems that you could get away with it other than minor seep allowing some oil smoke on startup after sitting a while??
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tazz9924 |
Feb 9 2019, 10:09 PM
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#3
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Senior Member Group: Members Posts: 703 Joined: 31-May 15 From: Mooresville NC Member No.: 18,779 Region Association: None |
I'm going to ask a noob question....if the turbo bearing is pressure fed, then that pressure could push the oil back into the sump as long as there's no backpressure on the relief tubing....seems that you could get away with it other than minor seep allowing some oil smoke on startup after sitting a while?? It makes sense but doesn’t work like that |
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