Oldsmobile 1970 performance guide 350/455 rocket engine

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🏷️ Basic Information Identification Make: Oldsmobile Model: Various (performance focused on 350/455 Rocket Engines) Year: 1970 Engine Variant Covered: 350 Rocket, 455 Rocket Codes Engine Code 350: L45 (350ci) Engine Code 455: L37 (455ci - standard), L32 (455ci - HEI/Ram Air IV, often associated with performance models) 👋 Introduction Market Position Historical Context: The 1970 Oldsmobile Rocket V8s were legendary for their torque and durability, a cornerstone of muscle car performance. Target Audience: Enthusiasts and mechanics focused on restoring, modifying, or optimizing 1970 Oldsmobile models with 350 or 455 Rocket engines. Competitive Analysis Competitive Engines: Competed with Ford FE/CobraJet, Chevrolet big-block (396/427/454), Chrysler B/RB engines (383/440/426 HEMI). Key Features Unique Selling Points: Focus on the specific performance variants (W30, W31, W32) and the inclusion of factory machining and NHRA specs. Value Proposition: Provides insider factory knowledge for performance enthusiasts, saving guesswork and enhancing results. 📋 Manual Details Coverage Areas Primary Focus: Performance tuning and enhancement of Oldsmobile 350 and 455 Rocket engines. Specific Models Mentioned: W30, W31, W32 performance packages. Technical Scope: Machine operations, performance recommendations, NHRA specifications. Page Count Estimated Page Count: Likely a comprehensive guide; precise count not specified but implies extensive detail for print-on-demand. Manual Type Type: Performance Guide / Technical Manual Language Language: English Format Digital Format: Printable (suggests PDF or similar digital source). 📖 Manual Coverage Systems Covered Engine Mechanical: Internal engine components, cylinder heads, camshafts, crankshafts, pistons, connecting rods, valve train. Engine Performance: Tuning for horsepower and torque, carburetor tuning, ignition timing, exhaust system optimization. Engine Modifications: Modifications for specific performance applications, including racing. Procedures Included Machine Operations: Details on machining processes for engine components (e.g., block boring, head milling, balancing). Performance Recommendations: Factory-backed advice for maximizing engine output. Nhra Specifications: Specifications relevant to National Hot Rod Association drag racing regulations and tuning. Part...

Type: Car

Satıcı:

Sku: 196183

Collections: ALL Oldsmobile

Tags: 1970 350 Rocket 442 455 Rocket Car Cars Oldsmobile

Ürün varyasyonları

Description

🏷️ Basic Information

Identification

Make:

Oldsmobile

Model:

Various (performance focused on 350/455 Rocket Engines)

Year:

Engine Variant Covered:

350 Rocket, 455 Rocket

Codes

Engine Code 350:

L45 (350ci)

Engine Code 455:

L37 (455ci - standard), L32 (455ci - HEI/Ram Air IV, often associated with performance models)

👋 Introduction

Market Position

Historical Context:

The 1970 Oldsmobile Rocket V8s were legendary for their torque and durability, a cornerstone of muscle car performance.

Target Audience:

Enthusiasts and mechanics focused on restoring, modifying, or optimizing 1970 Oldsmobile models with 350 or 455 Rocket engines.

Competitive Analysis

Competitive Engines:

Competed with Ford FE/CobraJet, Chevrolet big-block (396/427/454), Chrysler B/RB engines (383/440/426 HEMI).

Key Features

Unique Selling Points:

Focus on the specific performance variants (W30, W31, W32) and the inclusion of factory machining and NHRA specs.

Value Proposition:

Provides insider factory knowledge for performance enthusiasts, saving guesswork and enhancing results.

📋 Manual Details

Coverage Areas

Primary Focus:

Performance tuning and enhancement of Oldsmobile 350 and 455 Rocket engines.

Specific Models Mentioned:

W30, W31, W32 performance packages.

Technical Scope:

Machine operations, performance recommendations, NHRA specifications.

Page Count

Estimated Page Count:

Likely a comprehensive guide; precise count not specified but implies extensive detail for print-on-demand.

Manual Type

Type:

Performance Guide / Technical Manual

Language

Language:

English

Format

Digital Format:

Printable (suggests PDF or similar digital source).

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Internal engine components, cylinder heads, camshafts, crankshafts, pistons, connecting rods, valve train.

Engine Performance:

Tuning for horsepower and torque, carburetor tuning, ignition timing, exhaust system optimization.

Engine Modifications:

Modifications for specific performance applications, including racing.

Procedures Included

Machine Operations:

Details on machining processes for engine components (e.g., block boring, head milling, balancing).

Performance Recommendations:

Factory-backed advice for maximizing engine output.

Nhra Specifications:

Specifications relevant to National Hot Rod Association drag racing regulations and tuning.

Part Numbers:

Inclusion of relevant Oldsmobile part numbers for performance upgrades or replacements.

Assembly Procedures:

Guidance on engine assembly, especially with performance-oriented parts.

Technical Depth

Depth:

Advanced performance tuning and modification, beyond standard maintenance.

Application Focus:

Concentrated on extracting maximum power and efficiency from the Rocket V8s.

📊 Manual Specifications

File Format

Print Quality:

Printable pages suggest clarity suitable for technical documentation.

Print Quality

Image Resolution:

Assumed to be adequate for technical diagrams and specifications.

Binding Type

Binding Type:

Not applicable for digital/printable format; implies user will print and bind as needed.

Paper Type

Paper Type:

Not applicable for digital/printable format; user's choice.

⚙️ Engine Specifications

Primary Engine

350 Rocket Base:

350 cubic inches (5.7 L) V8.

455 Rocket Base:

455 cubic inches (7.4 L) V8.

Performance

350 Rocket Hp Torque:

Standard 350 Rocket (L45) often rated around 250-310 gross horsepower and ~360-390 lb-ft gross torque, depending on application.

455 Rocket Hp Torque:

Standard 455 Rocket (L37) often rated around 360-370 gross horsepower and ~480-500 lb-ft gross torque, depending on application.

W30 350 Hp Torque:

W30 350 typically featured an aluminum intake, camshaft upgrade, and higher compression, yielding around 325 gross horsepower and ~360 lb-ft gross torque.

W31 350 Hp Torque:

W31 was a performance 350, often with a specific camshaft, higher compression, and dual exhaust, rated around 325 gross horsepower.

W32 455 Hp Torque:

W32 was a performance-oriented 455, often with a manual transmission and specific tuning, rated around 365 gross horsepower.

Rocket Engine Design:

Robust construction, large displacement, emphasis on torque delivery.

Fuel System

Carburetion Options:

Typically Rochester Quadrajet (4-barrel) or Carter AFB (4-barrel). W-machines often received specific carburetor calibrations or dual carb setups.

Fuel Octane Recommendation:

Premium unleaded (91+ octane) for high-performance variants and optimal operation.

🔧 Transmission

Standard

Automatic Transmission:

Turbo Hydra-Matic 400 (THM400) was common and robust, often specified for performance models.

Optional

Manual Transmission:

Muncie M20, M21 (4-speed) manual transmissions were available, particularly with performance packages like the W32.

Features

Performance Transmissions:

Heavy-duty components in THM400 and Muncie gearboxes suitable for high torque.

📐 Dimensions

Exterior

Model Platform:

Likely covers A-body (442) and B-body (Delta 88, Toronado) platforms featuring these engines.

Weights

Engine Weight 350:

Approximate engine weight (dressed): 650-700 lbs.

Engine Weight 455:

Approximate engine weight (dressed): 700-750 lbs.

🛡️ Safety Features

Ratings

Historical Safety Standards:

1970 safety standards; no modern crash test ratings apply.

Active Features

Braking System:

Front disc brakes standard on performance models (e.g., 442), rear drums. Power assist common.

Passive Features

Seatbelts:

Standard lap belts; shoulder belts may have been optional or standard on higher trims.

💡 Technology Features

Infotainment

Audio Systems:

AM/FM radio, AM/FM with 8-track player were common options. No digital infotainment.

Driver Assistance

Assist Features:

Power steering was a common option. Cruise control available on some models.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000-4,000 miles or 6 months, depending on usage (older recommendations).

Tune Up Interval:

Typically every 12,000-24,000 miles, involving spark plugs, points (if applicable), condenser, distributor cap/rotor.

Fluid Specifications

Engine Oil Type:

API Service MS (Motor Service) or SF/CD rated oils. Viscosity recommendation: SAE 10W-30 or 10W-40 for general use, SAE 30 or 10W for extreme temperatures. High-zinc content (ZDDP) recommended for flat-tappet camshafts.

Coolant Type:

Ethylene glycol-based antifreeze mixed 50/50 with water.

Transmission Fluid Auto:

Dexron-III (or equivalent) for THM400.

Transmission Fluid Manual:

GL-4 or GL-5 gear oil (SAE 80W-90 common) for Muncie transmissions.

Known Issues

Common Engine Wear:

Valve guide wear, oil consumption, potential for main bearing wear under heavy load if maintenance is neglected.

Cooling System:

Radiator capacity might be marginal for sustained high-performance operation without upgrades. Water pump and thermostat reliability.

Carburetion Issues:

Rochester Quadrajets can require rebuilding/recalibration for optimal performance, especially after decades of use.

📚 Vehicle History

Brand Heritage

Oldsmobile Legacy:

Oldsmobile was known for its powerful V8 engines and often offered performance-oriented models distinct from Chevrolet.

Model Evolution

Rocket Engine Development:

The Rocket V8 engine family, introduced in 1949, was continuously developed, with the 1970 versions representing a peak of its large-displacement design.

Production

Performance Package Origins:

W30, W31, W32 packages were developed to homologate engines for racing and offer higher performance versions of popular models like the 442.

🏆 Awards & Recognition

Recognitions

Muscle Car Era Status:

The 1970 models, particularly the 442 with performance engines, are considered highly desirable muscle cars and collectibles.

Ratings

Engine Performance Ratings:

Widely praised for their torque and power output for the era.