82 Engine Mod

With the Corvette motor mounts pretty much made solid, is there much movement to damage the header if it 1/16" from the idler arm. If there not much movement it might not be a problem. I tried to drive a wedge between the header and the idler arm to gain some clearance. I gained a 1/16" but thats it. Today while driving it seems that my steering wheel went a little off center?
 
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