Robertson Racing #40 Ford GT

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The naturally aspirated 5.0L engine, boasting a 3.7 inch bore and a 3.543 inch stroke, was built by Chris Smith and Steve Ridgeway of Elan Power Products, which is part of the Panoz Group. Power gets transferred through the steel heart by a Winberg crankshaft attached to eight swinging Mahle pistons via steel Carillo connecting rods. The 13 quart, dry-sump, oiling system ensures proper lubrication and cooling throughout. Comp Cams custom ground solid lifter camshafts provide the bump. This particular 305 cubic inch air pump puts out about 500 crank horsepower and nearly the same amount of torque. This is all manageable through a pair of ALMS mandated 29.1 millimeter intake air restrictors.

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