In 1990 and 1991, The overall offered an exceedingly divergent pair of fast pickups. The 1st was Chevrolet’s 454SS, according to the GMT400 C/K pickups. The 2nd was GMC’s Syclone, based upon the S-fifteen/Sonoma. Though the Cyclone utilized new considering turbocharging to nip with the heels in the Ferrari 348, the 454SS hewed to the ancient cr