Jim Betz wrote:

I have a really old, all metal, Mantua flat car that actually
has pretty fair detail and well done paint and decals. But it
has the really old style Kadees . . .
Anybody ever tried to file/mill away the coupler pocket
and install a traditional Kadee on one of these? Can be done?
Don't even go there?

Sure. Just check carefully first to find out what height the milled-off portion needs to be from the rail so your new coupler will work right.

Tony Thompson Editor, Signature Press, Berkeley, CA
2942 Linden Ave., Berkeley, CA 94705 www.signaturepress.com
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