ATK GM 350 Vortec 350 HP HP32C-EFI Stage 3 EFI Engine

Description

Inconsistent air-fuel ratios require the ATK GM 350 Vortec 350 HP HP32C-EFI Stage 3 EFI Engine and its precise electronic injection system. Maintain flawless throttle response during intense street driving. This build utilizes a modern engine management computer to deliver reliable turn-key performance safely.

Key Features of ATK GM 350 Vortec 350 HP HP32C-EFI

• Block Material: Cast iron Chevy Small Block prevents core distortion to harness three hundred fifty horsepower safely.
• Cylinder Heads: Cast iron Vortec cylinder heads feature advanced high-velocity port designs to maximize airflow into the combustion chambers.
• Fuel Injection: The pre-installed electronic fuel injection system ensures perfect air and fuel ratios across all temperatures.
• Engine Management: A fully programmed computer and custom wiring harness deliver immediate turnkey starting capabilities right out of the crate.
• Compression Ratio: A 9.5:1 advertised compression ratio optimizes mid-range torque output for heavy street vehicles.
• Ignition System: The included distributor and spark plug wires deliver consistent high-voltage spark to prevent high-RPM misfires.
• Camshaft Style: A modern hydraulic roller camshaft minimizes internal valvetrain friction while operating seamlessly with the EFI computer.

Component Breakdown: Turn-Key Complete EFI Engine

This fully dressed engine arrives complete with a sophisticated electronic fuel injection system to eliminate sourcing individual induction components.

• A high flow throttle body sits atop a matched EFI intake manifold while the included computer and wiring harness ensure immediate ignition out of the crate.
• A long style water pump and harmonic balancer complete the front drive assembly allowing builders to focus strictly on chassis installation rather than engine building.

Vehicle Fitment & Compatibility Matrix

Engineered for classic Chevrolet architectures this engine drops perfectly into vintage chassis utilizing standard motor mounts. Sourcing one of our high-output injected Chevy engines modernizes your classic restoration instantly.

• Fits 1967-1981 Chevrolet Camaro models replacing tired carbureted small blocks perfectly.
• Fits 1964-1972 Chevrolet Chevelle platforms seeking massive low end torque upgrades with modern drivability.
• Fits 1968-1974 Chevrolet Nova chassis acting as a direct fit performance replacement.
• Fits 1973-1987 Chevrolet C10 pickup trucks looking for aggressive towing and street power.

Fuel & Ignition System Requirements (Tech Notes)

Feeding this modern EFI small block engine demands proper fuel pressure and ignition voltage for optimal street performance.

• An upgraded high pressure electronic fuel pump is required to supply the fuel injection system while utilizing 91 Octane premium pump gas prevents detonation.
• The included ignition components mandate a full twelve volt power source bypassing any original factory resistor wires to guarantee a powerful spark.

Installation, Break-In Oil & Priming Instructions (Tech Notes)

Proper initial startup procedures ensure the longevity of the performance lifters and internal bearings.

• Fill the crankcase with a high zinc break in oil before manually priming the oil system with a dedicated priming tool until mechanical oil pressure is verified.
• Perform a varied RPM heat cycle before changing the oil and driving conservatively for the first 500 miles.

USA Warranty, Emissions & Logistics

Investing in this ATK High Performance crate engine secures peace of mind through comprehensive manufacturer backing.

• Backed by a strict 1-Year manufacturer warranty this engine provides excellent protection against internal manufacturing defects when installed properly.
• This assembly is designated strictly for Race Use Only on non-pollution controlled motor vehicles and ships securely via LTL freight.