Carbon Monoxide Bath

[wantone]

I am unable to find the source of a leak in my engine compartment.  Im bathing in exhaust fumes.  Help please...  I've got a 383 with cast manifolds.   

I'm thinking about draining the coolant and removing the exhaust manifolds & re-attaching them with some copper permatex... Then installing new collector gaskets.   Any other ideas?   My firewall is pretty well sealed.

The only thing I can think of is that the exhaust manifold flap on the passenger side is stuck open?  What can I do to look into that working?

['Cuda Hunter]

are you sure it's exhaust. 
I have an oil leak from a valve cover that hits my pipes and makes it pretty hard to deal with when driving.  Not smoke, but fumes is what I get out of it. 
Just offering my opinion. 

[wantone]

This is when I wish I had a lift lol... aye...

[mrwfp]

Are you sure it is coming from the engine compartment?  I had that problem once and the exhaust was being sucked into the trunk and into the car due to a bad trunk seal.

[wantone]

Good call - I have replaced the trunk gasket... perhaps I should silicone the tail light housing as I know there is a little daylight there.

[wantone]

I ended up wiring my heat riser open. Much cleaner in the car now.