One of the most famous cars of the the early 2000’s was the HKS R33 Drag Skyline. It was a time when the Skyline GT-R was not really that known outside of Japan and AWD was a technology that was best suited to rally cars.
Beginning in the mid-1990s, HKS started a program to develop an RB26 into a drag car engine that would produce more than 4 times its original horsepower. This development program resulted in an engine that would eventually produce 1,300 horsepower reliably. To get to this power level, HKS started with a custom billet crankshaft, H-beam conrods and 87mm forged pistons. Next the head was ported, larger HKS valves fitted and high-lift cams replaced the stock units. Twin Garrett GT turbos feed a 95 mm throttle body. Exhaust was handled by 4-inch pipes. Adjustable fuels rails feed 550cc injectors to give the engine the fuel needed to run 35 psi of boost. An air shifting mechanism controlled by a button on the steering wheel enabled quick power transmission through a 4-plate clutch to the front and rear differentials.
The HKS R33 Drag Skyline captivated audiences all over the world with its 4-wheel burnouts and incredible performance and was only suddenly retired because engineers at HKS discovered that the chassis had weakened to the point that the car was unsafe to run anymore. Even today, a decade later, the 7.67 best time of this car stands as a testament to the kind of performance engineering the Japanese tuner was able to accomplish.
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