Procharger Supercharger Test: Beyond Bolt-On
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This new XD-1 air/fuel gauge from Innovate Motorsports (PN 3763; $299.99) proved to be an extremely valuable tool during our dyno tuning. We used the gauge in conjunction with Innovate's LM-1 air/fuel-ratio meter, but it also works with the LC-1 Lambda cable, a stand-alone wideband controller (PN 3769; $199.99), we saw at SEMA last year. Clear, digital, at-a-glance readings of the actual ratios-as they rose and fell-helped Saul determine which way to go with the tune. This 14.7:1 reading represents the stoichiometric air/fuel ratio, or the chemically exact amount of oxygen atoms necessary to completely burn fuel in an air/fuel mixture, under zero-load conditions at idle. Some tuners like to think of this as optimal fuel burn. When the reading on the gauge is higher, the air/fuel mixture is considered lean. A number less than stoichiometric denotes a rich mixture. View Related Article
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Ford E-250 Research
Get updated on all your car buying needs from safety features, to specs, to crash test ratings and options. Get all the information you need if you are interested in buying a new car like the Ford E-250. Fuel efficiency is important and the 2010 E-250 has fuel economy comparable to other cars in its class, and also comes with comparable safety features. The Ford Shelby GT500 and the Ford Mustang are other vehicles that might interest you.
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