Anybody know if the Muncie 4-speed is internally lubricated?

OK, so here’s an oddly specific question, is the Muncie MY8/M19 4-speed manual transmission that GM put into the ‘84 Fiero internally lubricated? The hive-mind around here knows a lot of random stuff, so I figured one of you lovable buncha loons might know.

Illustration for article titled Anybody know if the Muncie 4-speed is internally lubricated?
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Background: I’m considering offering a few hundred bucks to buy this ‘84 Fiero for my next rallycross adventure. It would be in violation of my desire to buy something that’s already running ... but I’m tempted.

Anyways, in order for a vehicle to be suitable for flat towing, it’s transmission has to be internally lubricated. That means the engine doesn’t have to be running in order to keep the trans from burning up.