Welded to the bottom of each manifold there is a heat box for Carburetor Heat. Before I can weld them on I need to adjust the shape of the weld flanges to fit more closely to the lower shell.
These are the heat boxes for the left manifolds. I'm making enough for 3 motors. Because of the slight variations with hand forming the shells the boxes fit better on the original manifold (in the back) than on the ones I made.
The first step was to mark where the box sets on the shell.
You can see how the shell is not a flat on the bottom as planned so the ends do not set down on the shell.
After a little reshaping of the flanges they fit snug to the shell.
All 6 bottom shells with boxes fitted for welding.
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