Welcome to the forum MGrover 09.
Its very important to establish that the cause of stalling is the CVT. there are numerous issue's that can cause the engine to stall when slowing down on a 216, especially coked up inlet valves or sticky inlet valves.
I used to decoke many inlet valves on these with a sandblaster filled with walnut husk & olive stone mix to save removing the cylinder head. Just used to make sure the inlet valves were shut & the inlet manifold removed and blast away for about 45 sec. The transformation was remarkable.
However I have sent a PDF file, although not much info to the MODs & hopefully they will forward it to you as this may be of some help.
Rgds Injection Doc
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