North American Turbocoupe Organization

Looking for help
Zlamont Offline
Junior Member
Got a turbo coupe that had an after market header on it and putting an original manifold back on. I see on the backbside of the manifold theres a threaded hole about the size of a quarter. Can someone help me identify what this was for?

Zlamont Offline
Junior Member

Jeff K Offline
That threaded hole is for the pipe that goes from the manifold to the EGR valve.
Jeff Korn

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67 Honda 450 Super Sport - completely customized

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