Header is rubbing frame - 70 Duster

giggy said

I thought of that and was worried about weakening the frame, but welding it shut never entered my pea brain! I think that may be the fix I am looking for.

Did you do this with the headers on or off? I could probably just loosen the motor mount and jack the engine up to give me more clearance.

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The headers were still bolted up when I made the "adjustment". I had those things on and off so much I just could not bring myself to unbolt them again. It's tight working around the tube. Might have been better to mark where the clearance was needed, unbolt them and pull the tube out of the way before cutting the slits.
Bob