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In most cases with normal gasoline, an air/fuel ratio of approximately 14:1 (14 parts air to 1 part fuel) is considered ideal. A mixture less than that (12:1) is considered rich and higher (16:1) is lean. Our first dyno run revealed a maximum torque reading of 211lb-ft at 3,350 rpm and maximum power of 154.1 hp at 4,200 rpm. These corresponded to road speeds of 64 and 84 mph respectively, in second gear. More importantly, the FAST meter showed a ratio of over 14:1 below 2,800 rpm, 13.1:1 at just under 3,000 rpm, dropping to under 12:1 at 3,600. 154 horsepower doesn't sound like much, though that was measured at the wheels, and the guys at Westech said they'd seen power losses of up to 80 hp through TH350 transmissions. Okay, so I'm disappointed, but it's only a stock 305. View Related Article
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