My model http://shpws.me/lmzC is of a railroad snowplow.
Here's the model in FUD after cleaning it in Bestine (heptane).
This step leaves a very nice white finish, as good as if you had primered the model.
Here's the (almost) finished model: I've yet to put glass in the windows. Yes, that's a penny.. these models of mine are SMALL.
Here's a link to the prototype:
http://coloradorailroadmuseum.org/museum-home/snow-plows/ ]]>