C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Feb 24, 2008 | 04:36 PM
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Default vortex

I bought a 1970 Stingray that has 1969 side-pipes on it. I get exhaust fumes inside the car. My garage tells me it's a vortex. That rear wheel spinning forward right at were the exhaust comes out of the side pipes makes the exhaust swirl and up into the open window. Anyone else know anything about this or have the same problem and is there a solution?
I was told that is why GM stopped offering side-pipes.
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Old Feb 24, 2008 | 05:26 PM
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If what your "garage" told you was right, then everybody with sidepipes would have the same problem. I don't think they do.
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Old Feb 24, 2008 | 05:52 PM
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If you get fumes from your sidepipes, you're not driving fast enough!

Not so sure I would use the terminology as vortex, as a vortex generator is typically aeronautical to describe maintaining airflow over or on a surface.
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Old Feb 24, 2008 | 05:58 PM
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i think its mainly at a stop that the fumes come straight up towards the window
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