The GMC Typhoon is a high-performance SUV, produced from 1992 until 1993 by GMC. The Typhoon was based on the 1991 GMC Syclone.
Description
Like the GMC Syclone, the Typhoon is powered by a 4.3 L LB4 V6 engine with unique pistons, main caps, head gaskets, intake manifolds, fuel system and exhaust manifolds, producing and 360 lb⋅ft (475 N⋅m) of torque. The engine is a modified version of the Vortec engine found in the standard Jimmy, which originally produced . The engine uses a Mitsubishi TD06-17C/8 cm<SUP>2</SUP> turbocharger producing of boost and a Garrett Water/Air intercooler, as well as revised intake manifolds, fuel system, exhaust manifolds, and a twin-bore throttle body from the 5.7 L GM Small-Block engine. The Typhoon sends power to all four wheels through a 4L60 4-speed automatic transmission and a BorgWarner 4472 transfer case splitting torque with 35% forward and 65% to the rear wheels. Other features include upgraded brakes, a limited-slip rear differential and sport modifications to the standard suspensions. Unlike the Syclone, the Typhoon featured an air-operated self-leveling rear suspension.
During tests by Car and Driver, the Typhoon was capable of accelerating from in 5.3 seconds