In 1990 and 1991, The final available an incredibly divergent pair of speedy pickups. The initial was Chevrolet’s 454SS, based upon the GMT400 C/K pickups. The next was GMC’s Syclone, depending on the S-fifteen/Sonoma. When the Cyclone applied new wondering turbocharging to nip with the heels with the Ferrari 348, the 454SS hewed to the ancient