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When I had my '03 Speedmaster dyno'd, my peak torque was about 46.5 Ft-lbs at about 5 grand. I had a nasty spike where the a/f went ultra lean at around 3500, due to bad jetting on my part, but besides that, torque stayed between 40 and the peak for the entire range. When I dyno'd, the guy figured that I was probably running about a 17:1 A/F ratio, which is way lean; now that I've rejetted, and done a few ignition mods complements of Brent, I'd expect to be around the 48 to 50 Ft-lb range.
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Michael D. Rodriguez
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