CHEVROLET 12679879 Gm Performance Block 6.2 V8

( Manufacturer Part Number: 12679879 ), ( Items Included: Cylinder Head, Camshaft, Oil Pan, Gasket Set, Oil Pump, Timing Chain, Timing Cover, Valve Covers ), ( Fuel Type: Gasoline ), ( Type: Engine Long Block ), ( Engine Size: 6.2 L ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes )

Review CHEVROLET 6.2 V8 Gm Modified Performance Long Block fits LT4 2016

The Chevrolet 12679879 6.2 LT4 V8 GM Performance Block is a high-performance component designed for serious automotive enthusiasts seeking to upgrade their engine for unrivaled power and durability. This premium engine block is part of the LT4 engine family, which was originally introduced in the C7 Corvette Z06 and C7.R racecar.

Manufactured by General Motors (GM), this forged aluminum cylinder block showcases advanced engineering and innovative technology. Featuring a dry-sump oiling system, this block is designed to ensure optimal oiling under even the most demanding racing conditions. Dry-sump oiling allows for consistent oil pressure and more even distribution to critical engine components, minimizing wear and friction.

The LT4 block boasts several enhancements to enhance its strength and durability. These enhancements include its compacted graphite iron three-piece crankshaft, forged powder metal connecting rods, forged aluminum pistons, and deployable piston oil squirters. The three-piece crankshaft provides additional strength while the forged components help to withstand the extreme loads encountered during high-performance driving and racing. Moreover, the piston oil squirters help to keep the pistons cool during heavy engine use.

This block also benefits from a large, open-deck design with a large bore size (4.065 inches) and a stroke length of 3.622 inches. These dimensions contribute to an impressive cylinder volume of 376 cubic inches (6,162 cc) and an impressive power output. However, larger engines require increased cooling capacity, so this block is equipped with a large-capacity cooling system.

Additionally, this LT4 V8 engine block features cast-in oil passages for increased oil flow and improved distribution to critical engine locations. This enables excellent oiling during prolonged high-load conditions and racing applications. Furthermore, the block boasts an iron lining (sleeve) for improved cooling efficiency and engine durability.

Lastly, this Chevrolet 12679879 engine block is engineered to meet the most stringent emissions standards and is compatible with modern automotive fuel systems. Its superior strength, durability, and power output make it an ideal choice for high-horsepower engines. By integrating this top-tier performance block into your engine build, you are taking a significant step towards enhancing the power delivery and the overall driving experience of your automobile.

Chevrolet's 6.2 LT4 V8 GM Performance Block is a high-performance engine option, popular for its power and durability. Both potential buyers and those considering upgrading their existing engines can benefit from examining the advantages and disadvantages before making a decision.

1. Power and Performance: The LT4 V8 engine is known for producing impressive horsepower and torque, ranging from 650 to 755 hp, depending on the specific tuning and modifications. This level of power translates into quick acceleration and impressive top end speed.

- Improved Throttle Response: The engine's high-performance design results in responsive throttle, enabling smooth and aggressive driving.

2. Durability: The LT4 V8 engine block is made from forged aluminum alloy, which reduces weight and increases strength. This material improves the engine's ability to withstand high temperatures and prolonged operation at high RPMs.

3. Fuel Efficiency: For a high-performance engine, the LT4 V8 boasts reasonable fuel economy. Fuel system improvements and cylinder deactivation technologies help to optimize fuel usage in both city and highway driving conditions.

4. Compatibility: The LT4 V8 engine block can be used as a standalone replacement engine or as a performance upgrade for existing Chevrolet models, including the Corvette, Silverado, and other compatible vehicles.

1. Cost: The LT4 V8 is a premium engine, and it comes with a premium price tag. This can make it an expensive choice for those looking to upgrade their vehicle or build a custom project.

2. Complexity: The high-performance design of the LT4 V8 engine can lead to complex installation and tuning issues. This may require the assistance of seasoned engine builders or tuning experts to optimize the engine's performance.

3. Loudness: The increased power output and open exhaust systems often used with the LT4 engine can result in significant noise levels. This can be a potential concern for those who want a quieter driving experience and for those who are concerned about noise regulations.

The Chevrolet LT4 V8 engine offers a compelling combination of power, durability, and fuel efficiency. With its incredibly responsive performance and compatibility with various applications, this engine is a sought-after choice among enthusiasts. However, its high cost, potential complexity during installation, and increased noise levels should be carefully considered before making a decision.

Upon weighing the pros and cons, the LT4 V8 engine is an excellent choice for those seeking high-performance and a significant power boost. For those with a larger budget and the necessary expertise, the engine's benefits can outweigh its disadvantages. If budget is a concern, exploring other high-performance engines with similar power levels from different manufacturers could be an alternative. It's essential to consult with professional engine builders, mechanics, and vehicle customization experts to assess the feasibility of LT4 installation in your specific application.

Details:

CNC Ported Heads, small Injector hole. LT4 Wet Sump Long Block. New OEM GM rod bearings. OEM LT4 crank, Panel Rods, and forged Pistons.

Camry balance and oil pan. King main Bearings. New LT5 Camshaft. New OEM GM lifter trays.

2023 Engine has been completely refreshed with some performance components added. Please review all photos and feel free to ask questions. OEM Titanium valves. ARP main studs Side Bolts.

New OEM GM hardware gaskets.

part #: 12679879 prices

• $185.00-$10989.99

specifications grokengines:

• for models: Lt4
• for makes: Chevrolet
• for years: 2016
• mpn: 12679879
• items included: Cylinder Head, Camshaft, Oil Pan, Gasket Set, Oil Pump, Timing Chain, Timing Cover, Valve Covers
• fuel type: Gasoline
• type: Engine Long Block
• engine size: 6.2 L
• country/region of manufacture: United States
• performance part: Yes

returns grokengines:

• policy: No Returns

seller grokengines:

• city: Fenton, Michigan
• rating: 100.0%
• # reviews: 253

shipping grokengines:

• type: Fixed
• class: Freight
• service: Flat Rate Freight
• cost: $450.00

payments grokengines:

• wallet: Apple-pay
• credit card: Mastercard
• other

offer grokengines:

• started: January 12, 2025
• availability: In Stock
• best offers: True
• options: Ship-to-home
• sold: 0
• quantity: 1

general grokengines:

• Car Truck Parts Accessories > Engines Engine Parts > Engines
• condition: New other see details

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