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Oil leak on 931 turbo

 
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langmd  



Joined: 30 Sep 2020
Posts: 8
Location: Minnesota

PostPosted: Mon Oct 12, 2020 9:03 am    Post subject: Oil leak on 931 turbo Reply with quote

Any ideas on why I would have a slight oil leak on both sides of my Pop off valve ?
Runs fine smokes on startup I'm thinking its burning off the oil inside turbo..
My boost gauge read + 6 on full boost n can go as low as -20 when not boosting..
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Fasteddie313  



Joined: 29 Sep 2013
Posts: 2130
Location: MI

PostPosted: Mon Oct 12, 2020 11:57 am    Post subject: Reply with quote

Yeah sounds like compressor side rings are worn..
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80 Turbo - Slightly Modified
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langmd  



Joined: 30 Sep 2020
Posts: 8
Location: Minnesota

PostPosted: Mon Oct 12, 2020 9:48 pm    Post subject: Reply with quote

The turbo has about 10,000 miles on it since a rebuild n previous owner always let it idle for a bit b4 shutdown and used synthetic oil but the rebuilt was done 30 years ago..
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