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Old Aug 8, 2019 | 11:51 AM
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Fc3s.frank's Avatar
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Help!

My 86 fc is burning a ton of oil. It’s very weird tho, only after 5k rpm will it burn oil. And yes, I know, rotaries do that, but these are serious smoke screen amounts. Omp is still in place and motor only has 15k ish miles on it. Also a little bit of smoke on startup but from what I’ve heard that’s normal.

this picture is only at 5k rpms not even touching redline
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Old Aug 8, 2019 | 12:37 PM
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Were the oil seals/springs replaced during rebuild?
Are you losing coolant?
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Old Aug 8, 2019 | 01:09 PM
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Originally Posted by Rotary Alkymist
Were the oil seals/springs replaced during rebuild?
Are you losing coolant?
Not losing coolant, even by the smell you can tell it’s oil. Seals and springs are new
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Old Aug 10, 2019 | 08:03 PM
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Did you replace the thermal pellet? Maybe the control ring springs are backwards.
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Old Aug 11, 2019 | 10:35 AM
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Originally Posted by NCross
Did you replace the thermal pellet? Maybe the control ring springs are backwards.
I did not do the rebuild and the sheets are gone so I have no clue, but it almost never smokes under load so I don’t plan on revving it while in neutral.
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Old Aug 11, 2019 | 01:02 PM
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If you put the springs in backwards you would be burning oil at high rpm.
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Old Aug 11, 2019 | 05:04 PM
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Curious there appears to be flames from the mufflers at only 5,000RPM.
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Old Aug 13, 2019 | 11:32 AM
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Originally Posted by NCross
Curious there appears to be flames from the mufflers at only 5,000RPM.
Yeah it confuses me as well, mufflers cats everything. It is a header back exhaust but the smoke is what worries me, although it just means I’m getting more oil than I need so I have to buy more
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