Well on our dyno a '28 with a 300 kit and stock card struggles to make 55hp. A good '28 with pipes, HRC 030 card, HRC jet kit, HRC head convert, and no air box will pull about 62hp (thats yours Fontyyy).

So 62 with a stcok card is something very very special indeed.
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If I have to take the carbs off once more...