Quote:
"True. Also I've owned a butt load of 72's and none had an EGR valve or air pump"
Some California big blocks were equipped with air pumps in ’72.
My Imperial is a Kalifornia car with a smog pump. Last time I had it out the fitting broke off the passenger side exhaust manifold. It now sounds and looks like a trailer park queen. 
I plan on turning a slight taper on a piece of steel using the lathe and banging it into the hole on the manifold. That should make for a decent temporary fix.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
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