A very early spec F3 engine run on the dyno. This was the first incarnation running 39mm PWK carbs and a '89 ign system. End up making just over 70hp.

Andy recorded the run manly so we could watch the power valves. This was back in something like 2006.

http://s57.photobucket.com/albums/g208/stephenrc45/?action=view&current=DynoF3.mp4
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If I have to take the carbs off once more...