It's a very simple modification to install a drain fitting into the housing. Get a 1/8" NPT pipe coupling, cut it in half, and braze one piece to the housing near the bottom. Then drill a hole through the fitting into the canister, and install a 1/8" NPT plug. Next oil change, just pull the plug.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
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