Found this online manual at a Canadian WWII military site while rambling around the net before heading off to work. Original topic was converting from 216 to 261 engine, I believe. Covers 235 and 261 engines. Not the complete manual but it is free.

Sure to please somebody.

http://www.canadianmilitarypattern.com/1960%20235-261%20Engine%20Manual.htm


"Nothing astonishes men so much as common sense and plain dealing." - Ralph Waldo Emerson