Gettin' Steve's pan together. Finding good parts is a challenge. We line up the heads, intake and carb kinda as all one unit - and get everything fitted - no binding or pulling. A washer between the carb bracket and the case on the center bolt. These heads have upgrade o-ring replacement inserts, but I think the "intake leak" he's experiencing is from his worn throttle bushings in the Linkert 74B. We'll get it figured out. I need to make a small spacer for a slight lift - up under the flange of his magneto shaft, since the magneto head touches the case when you cinch it down. It will help the mag drive gear ride more in the center of the timing bevel gear too. It's the little things that make a difference.