There's another problem with the later versions of the Wabash Valley shells. I remember this because Billy Wade did an excellent article on bashing an F-2 A unit from Wabash Valley shells for "3/16 'S'cale Railroading." Billy used most of a WV "B" unit for the rear 3/4 of the A unit body because the B had the requisite three portholes, whereas the A had only two.
Well, it turns out that very few people could repeat what Billy did because WV's second run of the B shells had only two portholes! It turns out that WV mistakenly used the rear slide from the A mold instead of the correct B slide. So -- A word to those of you who dig out those old shells for new projects: Check the B shells. Chances are 50-50 that they are incorrect. Dick Karnes
