Posts tagged Group B
Boxed In - 1985 Daihatsu Charade DeTomaso 926R Group B Prototype

In order to meet the limit, the engine was taken down to 926 cc, giving rise to the name 926R. After extensive fettling, the mini monster produced some 118 horsepower at 6500 rpm and 147 Nm at 3500 rpm. The IHI RHB32 turbocharger used was so small, the car had no need for an intercooler. This freed up space and saved weight.

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Doomed Dorito - 1986 Mazda RX7S Group S Protype

As the Group B RX7 was reaching its absolute peak, the FISA presented a way out for Mazda. Late in 1985 the governing body announced Group S, a formula intended to replace Group B. The ultimate goal of Group S was not to decrease speeds or limit power, but rather to expand on the formula and allow even more manufacturers to compete.

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Dual Wield - 1986 SEAT Ibiza Bimotor Group S Prototype

The Ibiza was a small hatchback in the vein of the Fiat Uno and Volkswagen Polo, with some interesting names involved with its conception. German engineering specialists Porsche had a hand in designing the car’s drivetrain, and Giorgetto Guigiaro’s Italdesign penned the svelte body, which was actually intended as the second generation of the Volkswagen Golf.

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Dated Delicacy - Ferrari 308 GT/M Group B Prototype

With the much looser Group B rules in place, Michelotto was basically given carte blanche on the car. The new machine no longer had to resemble a road going Ferrari, which allowed for extensive modifications. First on the list was the position of the engine. In the standard 308 GTB, the 3.0L Tipo F105 quattrovalvole V8 was mounted transversely beside the gearbox. This made the car very compact and well balanced, but significantly impeded accessibility to vital parts.

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