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? asked in Cars & TransportationCar MakesChevrolet · 2 weeks ago

Chevy 350 exhaust manifold question?

My Chevy 350 has old exhaust manifolds that have a hole in the passenger side one for the old style draft tube I believe it was called. I do not use this as I have a pcv valve and a breather cap in my valve covers. I think the strong stench of exhaust fumes I get every time I drive is partly due to that opening. 

Does anyone know if there is a type of plug for this or does it need to be welded?

1 Answer

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  • Anonymous
    2 weeks ago

    If it is threaded, put a plug.  No thread, weld it.

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