Back in late January the American Speed Association journeyed to South Africa for the inaugural ASA Free-State 500K at Phakisa Freeway (covered in the Aug. ’10 issue of Circle Track). As the 24 competitors in the race took the green flag, there were two cars in the field that had something a little different beneath their hoods. Car numbers 98 and 900 both looked like typical full-bodied American stock cars, but their powerplants were anything but. Nestled between the tube frame chassis of these two stockers was the new ASA Transcontinental Series engine, a 500-plus horsepower electronically fuel-injected racing motor. Built by Minnesota’s Schwanke Racing Engines, the engine is what officials of the ASA are calling the future of stock car powerplants. It’s actually an LS3-based motor that Tim Schwanke, owner of Schwanke Racing Engines, dove inside of to beef up and make suitable for oval-track competition. On the dyno it puts out 525 hp and 505 lb-ft torque on 94-octane pump gas-all for a price tag of just less than $15,000. That’s not bad at all when you consider that some of the motors in the FreeState 500K were hand-built open engines with price tags north of $35,000. The… Read full this story
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