The Beetle is widely used in drag racing; its rearward (RR layout) weight distribution keeps the weight over the rear wheels, maximizing grip off the starting line. The car's weight is reduced for a full competition drag Beetle, further improving the grip and also the power to weight ratio. Combined with the Beetle's RR layout, wheelies can be achieved easily, but time "in the air" worsens 1/4 mile time. To prevent this, "wheelie bars" are added. The fastest time a beetle has run in the quarter mile was 7.78 in 2008.
Modified Volkswagen Beetles
Customized Beetle styles include the Rat rod and Cal Look which evolved during its lifespan. Customisation includes lowering the car's suspension, altering the wheels, removing or replacing the bumpers, as with pushbar. The stock bumpers are usually chromed or polished, sometimes painted or powder coated. Clubs dedicated to 'Cal Look' occur worldwide.Customizing may also include smoothing or shaving the body — removing trim and other parts, including door handles, badges and driprails, Frenching or tunnelling the headlights, lowering, custom hood and trunk hinging, chopping and lowering of the roof and replacing taillights and front indicators with smaller, simpler units.
Its engine, transmission, and cylinder heads were constructed of light alloy. An engine oil cooler (located in the engine fan's shroud) ensured optimal engine operating temperature and long engine life, optimized by a thermostat that bypassed the oil cooler when the engine was cold. Later models of the carburetor featured an automatic choke. Engine intake air passed through a metallic filter, while heavier particles were captured by an oil bath. After 1960, steering featured a hydraulic damper that absorbed steering irregularities.
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