In the Apr. '07 issue of Circle Track, we tested FAST's new portable air/fuel meter with a race engine on a dyno and found that the tool is useful for dialing in the best air/fuel ratios for power ...
So just how does the FAST meter work? It measures the air/fuel ratio, vital information not just for performance or economy tuning, but for anti-pollution reasons too. An optimum air/fuel ratio ...
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