THE SHOP

Performance & Hotrod Business - January '15

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PERFORMANCE Proper fuel system delivery is critical, particularly in competition & high-horse- power applications. 24 n Performance & Hotrod Business n January 2015 I t's that old story about the weakest link needing fixing. As motors become more and more powerful, the ancillary and tertiary products and assemblies that ser- vice them need to advance as well. Nowhere is that more evident than in fuel pumps used in racing applications. Fuel—and its nemesis: no fuel—is critical in both the performance and life of a rac- ing engine. The pumps that move it have to step it up every time engine develop- ments come out with yet another increase in horsepower. Sure, builders of these highly special- ized parts try to stay ahead of the curve. But, like everything else, there is always that line in the sand where crossing it turns into a whole new ballgame. We're digging deeply into these prod- ucts, so we asked our fuel pump sources about hot new products for next year, tech- nology and even sales strategies for selling to this specialized market. What to Know First, we asked about any bad info on racing fuel pumps that may be circulating out there. "The biggest misconception surround- ing fuel pumps for performance and rac- ing applications is that you should be able to buy the fuel pump you need based on horsepower support, install it, and go," explains Brian Paitz, president of Fuelab. "A fuel pump is just part of a system that needs to be planned properly. Fuel pump placement, filtration, fuel line sizing, fit- tings and tank ventilation are all things that should be considered in a properly installed fuel system." John Concialdi, chief engineer for AEM Performance Electronics, starts off by kill- By John Carollo Getting Pumped In racing applications, larger fuel pumps can mean higher fuel tem- peratures, so selecting the proper system for each application is criti- cal. (Photo courtesy AEM Performance Electronics) The flow rates of modern fuel pumps make it easy to buy a pump much larger than what your application needs, resulting in excessive flow rates at low demand, which can potentially overheat the fuel, creating suction side cavita- tion. (Photo courtesy Aeromotive Inc.)

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