C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Smoke Plumes

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Old Nov 6, 2016 | 08:43 PM
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yellowlust's Avatar
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Burning Brakes
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Default Smoke Plumes: Now with Video!

After my optispark adventures I thought I could at least drive the car. No such luck.

Once it gets hot I get smoke plumes pouring from the left side of the engine. It's oil hitting something hot, I assume the header?

I thought it was the dreaded manifold leak but I can't see any oil dripping from the back of the manifold.

Where else is it likely to leak, and a lot?

Thanks!

95 with 130k miles

Last edited by yellowlust; Nov 19, 2016 at 10:30 AM.
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Old Nov 7, 2016 | 10:53 PM
  #2  
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Is the oil sender on that side?
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Old Nov 8, 2016 | 08:34 PM
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A Peter C4
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Yes it is.Check valve covers for leaks,sender is below exhaust manifold but could leak onto pipe or cat.

Last edited by A Peter C4; Nov 8, 2016 at 08:35 PM.
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Old Nov 9, 2016 | 03:36 AM
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Valve cover gaskets were recently replaced but I will recheck.

I need to check the sender. Is it a common failure point?
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Old Nov 19, 2016 | 10:31 AM
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Amazing what you can see with a $15 camera.


Last edited by yellowlust; Nov 21, 2016 at 06:43 PM.
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