Quote:
Originally Posted by 67 chevelle
there is a valve in your exhaust with a metal hose that runs to the botom of the air cleaner horn , that is the valve I was referring to , most remove it
|
The heat riser flap?
The spring broke, but it moves freely when I move the lever. I suppose it's possible it's blocking the exhaust, but it doesn't feel like it's become detached from the rod. I would have to the intake manifold off to know for sure.