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Subject: TSIO 550 turbos
From: John Barrett <2thman1@gmail.com>
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I have oil dripping out of turbos in this recently overhauled engine - done b=
y Barrett in Tulsa OK.  Last run was about six minutes to see if electronic i=
gnition is working.  Found a little oil puddled on the Tarmac under each sta=
ck and can be seen to eminate from the turbos.  Total time since reinstall i=
s about 15 minutes, none of it higher than mag check RPM.

My question is are the turbo oil return lines plumbed with a check valve?  C=
ould a backwards hookup of these produce this result?  I didn't have this pr=
oblem with the Performance Engine version that I flew for about 55 hours.

Thanks,
John Barrett

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