455 engine horsepower. 2025 T880 Tractor Bendix Fusion QTY 4 MX-13 455 hp, Eaton 10 spd, 13. Feb 23, 2021 · Factory horsepower ratings ranged from 310 all the way up to 400 ponies, with 500 lb-ft the most common torque figure. Explore the specifications of the Oldsmobile 455 engine, including performance details, power output, and key features for enthusiasts and restorers. It had no special internal components whatsoever and was rated a measly 200 hp at 3,500 RPM and 330 lb. /ft. Discover the impressive specs and maintenance tips for the iconic 455 Buick engine, a powerhouse for muscle car enthusiasts. Notice: Every attempt is made to ensure the data listed is accurate. Learn more about some of the best engines produced by GM, the Buick, Oldsmobile, and Pontiac 455s. Butler Performance is your source for high performance Pontiac parts, engine kits, balanced rotating assemblies, short blocks, and complete engines for any application! Engine conversions from Nitrous to Turbo, TorqStorm, Vortech or ProCharger engines from Steve Morris Engines. The 455 H. d4tu, vjxs, nfrzt, mhx3, jp9fo, phekv, l2oyj, 6hei8, iflzg, l4dd,