A new lighter V8 engine was rushed into production for 1982, the HT-4100 (option code LT8). It was a 4100 cc V8, designed for rear-wheel-drive and longitudinal front-wheel-drive applications sharing the same transmission bellhousing pattern as Buick, Oldsmobile, Chevy, and Pontiac rear- and front-wheel drivetrains for 2.5 L 4-cylinder and 2.8, 3.1, and 3.3 L … Continue reading 1982 Cadillac HT4100 Engine Story Manufacturer Promotional Video