1. Car & Truck Engines Used/New Products
  2. sku: 5205494581390631
  3. CHEVROLET CORVAIR

CHEVROLET 300.GM1D64 Core Engine 164 1240726

fits model: 300, Corvair, Monza. make: Chevrolet. year: 1964.

300.gm1d64 Chevrolet Core Engine Assembly 164 Fits 1964 Corvair Monza 1240726

( Model: CORVAIR ), ( Part Type: Engine ), ( Conditions Options: Core, 164, For Rebuild, Core ), ( Genuine Oem: Yes ), ( Ipn: 300.gm1d64 ), ( Designation: For Parts Not Working )

Review CHEVROLET Core Engine Assembly 164 Fits fits CORVAIR MONZA 300 1964

The Chevrolet Corvair Monza 164 engine, specifically the GM1D64 core unit produced in 1964, is a testament to the engineering prowess of its era. This air-cooled, rear-mounted flat-six engine was a unique feature in the Corvair lineup, offering an unconventional yet effective alternative to traditional front-engine designs.

The GM1D64 engine measures 231.5 cubic inches or approximately 3,817 cubic centimeters in total displacement. Its flat-six configuration, with three cylinders on each bank, allowed for a more compact engine design and a lower center of gravity. The engine block is made of cast aluminum alloy, which not only reduces weight but also enhances cooling efficiency.

The engine features an overhead valve design, with one intake and one exhaust valve per cylinder. The valves are actuated by a single camshaft located in the center of the engine, which helps to simplify the design and reduce complexity. The engine produces around 150 horsepower at 5,400 RPM and 180 lb-ft of torque at 3,000 RPM, providing adequate power for the lightweight Corvair Monza.

The intake system utilizes a single downdraft carburetor, which delivers fuel and air mixture to the engine through a series of intake ports. The exhaust system features exhaust manifolds that are integrated into the engine block, with exhaust gases exiting through a single tailpipe.

The GM1D64 engine is known for its innovative design and unique characteristics. Its rear-mounted, air-cooled configuration offered advantages such as improved weight distribution and easier access to the engine components. However, it also presented challenges in terms of cooling efficiency and complex exhaust routing. Despite these challenges, the Chevrolet Corvair Monza engine remains a fascinating piece of automotive history and a testament to the ingenuity of its time.

Pros and Cons of Buying a 1964 Chevrolet Corvair Monza with a 164.1964 GM1D64 Core Engine

Introduction:

The 1964 Chevrolet Corvair Monza with a 164.1964 GM1D64 core engine is an intriguing prospect for collectors and enthusiasts of classic cars. While this vehicle offers several appealing features, it's essential to consider both its advantages and disadvantages before making a purchasing decision.

Pros:

1. Unique Design: The Corvair Monza is known for its distinctive rear-engine design, which sets it apart from other classic cars of the era. This feature contributes to its collectible value and makes it an attractive option for those who appreciate innovative engineering.

2. Fuel Efficiency: The rear-engine layout and air-cooled design of the 164.1964 GM1D64 engine contribute to better fuel efficiency compared to front-engine, water-cooled engines of similar power.

3. Handling: The Corvair Monza's rear-engine design and independent suspension system provide nimble handling, making it a fun and engaging vehicle to drive.

4. Affordability: Compared to other classic cars of the same era, the Corvair Monza is relatively affordable, making it an accessible option for those with a budget.

Cons:

1. Engine Criticisms: The 164.1964 GM1D64 engine has faced criticism for its tendency to oversteer, which can be disconcerting for some drivers. Additionally, the engine's design has been linked to rollover accidents, although this issue was largely addressed through design improvements and safety campaigns.

2. Maintenance: The air-cooled engine requires more frequent maintenance than water-cooled engines, including regular oil changes and radiator checks. Additionally, the engine's unique design may make repairs more challenging and costly.

3. Availability of Parts: Due to the Corvair's unconventional design and relatively low production numbers, replacement parts can be difficult and expensive to find.

4. Rarity: As a classic car, the Corvair Monza is becoming increasingly rare, which may make finding a well-maintained example challenging.

Conclusion:

The 1964 Chevrolet Corvair Monza with a 164.1964 GM1D64 core engine presents a unique and engaging driving experience, with advantages such as its distinctive design, fuel efficiency, and handling. However, it also comes with disadvantages, including engine criticisms, maintenance requirements, availability of parts, and rarity. Ultimately, whether or not this vehicle is the right choice for you depends on your personal preferences, budget, and willingness to tackle the unique challenges that come with owning a classic car with a one-of-a-kind engine design.

Recommendation:

If you're drawn to the Corvair Monza's unique design and handling characteristics and are willing to invest time and resources into its maintenance, then this vehicle could be a rewarding addition to your collection. However, it's crucial to thoroughly research the vehicle's history, condition, and availability of parts before making a purchase. If you're unsure about the commitment or prefer a more conventional driving experience, it may be worth considering other classic cars that offer similar performance and collectibility but with more readily available parts and maintenance resources.

Details:

Covered under warranty: An engine block is found to be cracked and NOT rebuild able would covered the 90-day warranty. If a return is accepted, please ship the item to address below. Warranty does NOT cover labor, diagnostics, towing costs, rental car, or any other expenses related to an item being defective/damaged.

Bumper assemblies DO NOT come with Upper Grilles unless stated. Transmissions: Transmissions will come with the torque converter and all sensors. Check the Q A section for Business Support. Lack of these convenience items does not warrant a return.

Full warranty not available for items listed as CORE. For example, when installing a transmission, the torque converter needs to be seated properly on input shaft. Any bulbs or wiring still attached to the,Tail Light,assemblies are not warranted part of the listing in any way. No expedited shipping is available.

Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines. Avondale, MN 55302. Steering Columns: All steering columns sold will come without airbags. What is covered.

Items listed as CORE are only guaranteed rebuild able. 3531 County Road 3 NW. Said convenience items are not covered under the 90-day warranty.

part #: 300.gm1d64 price

  • $300.00

specifications grokengines:

  • for models: 300, Corvair, Monza
  • for makes: Chevrolet
  • for years: 1964
  • model: Corvair
  • part type: Engine
  • conditions options: Core, 164, For Rebuild, Core
  • genuine oem: Yes
  • ipn: 300.gm1d64
  • designation: For Parts Not Working

seller grokengines:

  • city: Annandale, Minnesota
  • # reviews: 36287
  • rating: 99.3%

payments grokengines:

  • credit card: Mastercard
  • wallet: Paypal
  • other

offer grokengines:

  • options: Ship-to-home
  • availability: In Stock
  • started: July 2, 2025
  • sold: 0
  • quantity: 1

returns grokengines:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer

shipping grokengines:

  • type: Fixed
  • transit: 5-9 Days
  • cost: $325.00
  • class: Standard
  • service: Standard

general grokengines:

  • condition: For parts or not working
  • Car Truck Parts Accessories > Engines Engine Parts > Engines
for models: 300, corvair, monza, for makes: chevrolet, for years: 1964, part type: engine, conditions options: core, 164, for rebuild, core, genuine oem: yes, designation: for parts not working,
manufacturer: chevrolet, category: auto parts > car truck parts accessories > engines engine parts > engines, sku: 5205494581390631,

Chevrolet 1240726 Is Similar To:

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1 offer $300.00 USD
  • Offer #1: $300.00 price + $365.00 shipping estimate = $665.00* total. Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines. CORE,164,FOR REBUILD,CORE.+$365.00 shipping

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