Grow it, burn it, go fast! That’s what you’ll see on the front page of Hajek Motorsport’s website. That’s because owner Brent Hajek is a soybean and maize farmer who’s proving that high performance and biofuels are not contradictory terms. He has run drag racing cars on biofuels and his latest achievement netted him two land speed records on the Bonneville salt flats.
His tool for breaking the B Production Diesel Truck and Unlimited Biodiesel records at Bonneville was a Ford F250 Super Duty truck. This particular truck had in it a 6.7 liter V8 Power Stroke direct injection turbodiesel. Unlike the typical land speed record contenders you see on the salt, this truck has comparatively minor modifications. Obligatory mods include a roll cage, five-point harness, fire extinguishers and parachute. Also added were aerodynamic wheel caps, and the pictures reveal a truck that has been lowered extensively for better aerodynamics. You’ll also notice the side view mirrors removed, an air dam under the bumper and the openings on the front bumper covered.
Engine mods include higher capacity fuel injectors, upgraded fuel pump and a larger turbo. Compression ratio was also increased but the bottom end of the engine is reportedly stock. Ford provide some behind-the-scenes support, and these basically bolt-on mods pushed engine output to 400 horsepower and torque to 800 pounds-foot.
0-60 performance calculations are useless for a vehicle like this, since it’s set up for top speed and although the vehicle is relatively stock, some gearing changes may have been done to facilitate higher velocities. During Speed Week at Bonneville, this truck broke the record for B Production Diesel Truck with a top speed of 171.123 mph, after which the tank was drained and filled with B20 (20 percent bio diesel). The subsequent run saw the previous record of 130.614 mph eclipsed by a run of 173.180 mph with a maximum speed of 182.143 mph.
In using the B20 refined from soybeans from Hajek’s farm, Brent has proven that motorsports, diesel engines and biofuels can provide exciting challenges to gearheads like us.
Source article is here.
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