Duane,
I never carried the SVEA on my epic backpacking trips when I was young because it was too heavy, instead I cooked over a fire. My mom bought me the Svea when I was 18 and I don't think it actually got used for about ten years and then was replaced by a whisperlight. I had the small Svea pressuriser and the stove NEVER ran correctly. Over the years I lost the pressuriser and when I started the Svea without it, it worked perfectly.
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These are my own opinions based on wisdom earned through many wrong decisions. Your mileage may vary.