This manual pertains to 1970 Oldsmobile vehicles, with a specific focus on the performance tuning and enhancement of the 350 and 455 Rocket engines. These legendary V8 powerplants, known for their robust construction and substantial torque, were a hallmark of American muscle car performance during the era, powering models such as the 442, Delta 88, and Toronado. This guide delves into the intricacies of the 350ci, 455ci standard, and 455ci HEI/Ram Air IV engine variants, including details relevant to performance packages like the W30, W31, and W32. It highlights the engineering quality and unique selling points that made these engines competitive in a market featuring powerful offerings from other manufacturers.

This comprehensive technical manual is designed to guide enthusiasts, mechanics, and technicians in maximizing the potential of these classic Oldsmobile engines. It covers a wide range of topics, including detailed machine operations, advanced engine performance tuning, specific NHRA racing specifications, and factory-backed recommendations for achieving optimal horsepower and torque. The manual provides in-depth information on internal engine components, cylinder head and camshaft specifications, carburetor tuning, ignition timing, and exhaust system optimization, as well as guidance on engine assembly and modifications for performance applications. Its purpose is to serve as an authoritative resource for maintaining, repairing, and enhancing the performance of 1970 Oldsmobile Rocket V8 engines.