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  3. PONTIAC 523293

PONTIAC 523293 Engine Block 347 270

fits make: Pontiac. year: 1957.

523293 Pontiac 1957 347 Engine 270 Hp Long Block

( Manufacturer Part Number: 523293 ), ( Items Included: Timing Cover ), ( Vintage Part: Yes ), ( Fuel Type: Gasoline ), ( Type: Complete Assembly ), ( Engine Size: 347 ), ( Number Of Valves: 16 ), ( Country/region Of Manufacture: United States ), ( Universal Fitment: No )

Review PONTIAC 347 Engine 270 Hp Long Block fits 1957

The Pontiac 523293 1957 347 engine is a powerful and iconic piece of automotive history. This engine block is part of the Widetrack 347 V8 series, which was renowned for its impressive performance and distinctive design.

At its core, this engine block is crafted from high-strength iron. The iron material provides excellent durability and heat resistance, making it ideal for the rigors of high-performance applications. The block is also equipped with a large-capacity water pump and a heavy-duty oil pump to ensure efficient cooling and lubrication.

The 1957 347 Pontiac engine block is designed for maximum power output. It features a large-displacement design, with a displacement of 347 cubic inches. This size allows for a larger bore and stroke, which in turn leads to increased power and torque. Specifically, this engine block is rated for 270 horsepower, making it a formidable force under the hood.

The engine block also includes several other performance-enhancing features. For example, it has a high-performance camshaft and heavy-duty valve springs, which improve the engine's breathing and power output. The block also has a high-performance intake manifold and a large-diameter exhaust system, which help to maximize power and torque throughout the RPM range.

Additionally, the 1957 Pontiac 347 engine block is designed to be easy to work on. It features a accessible engine compartment, making it simple to remove the engine for maintenance or repairs. The block also includes several factory-installed accessory mounts, which make it easy to add performance upgrades and accessories.

Overall, the Pontiac 523293 1957 347 engine block is a high-performance, durable, and iconic piece of automotive history. It is the perfect choice for anyone looking to build a powerful and distinctive hot rod or custom car, and is sure to turn heads wherever it goes.

The Pontiac 523293 1957 347 engine, with a horsepower rating of 270, is a classic automotive component that may appeal to enthusiasts and collectors. Here are some potential pros and cons of purchasing this engine block.

Pros:

1. Power: With 270 horsepower, this engine block offers a significant amount of power, making it a desirable option for those seeking performance upgrades.

2. Collectibility: The 1957 Pontiac engine is a classic component, and its acquisition may add value to a collector's garage or collection.

3. Versatility: This engine block can be used in various applications, including hot rods, restorations, and custom builds.

4. Availability: Relatively speaking, these engine blocks are not overly rare, making them accessible to a wide range of buyers.

Cons:

1. Cost: The price of a 1957 Pontiac 347 engine block may be higher than that of a more modern, mass-produced engine block due to its collectible status and the labor costs associated with rebuilding it.

2. Compatibility: Ensuring that the engine block is compatible with the specific make, model, and year of the vehicle it is being installed in can be a challenge.

3. Maintenance: Older engines like the 1957 Pontiac 347 engine may require more frequent and intensive maintenance than modern engines.

4. Complexity: Rebuilding or restoring a classic engine block can be a complex process that requires specialized knowledge and tools.

In conclusion, the decision to purchase a Pontiac 523293 1957 347 engine block depends on individual preferences, priorities, and circumstances. For those seeking power, performance, and collectibility, the pros may outweigh the cons. However, for those on a tight budget, seeking a low-maintenance option, or lacking the necessary expertise, the cons may be more significant. Ultimately, a careful consideration of the potential benefits and drawbacks is recommended before making a purchase.

Recommendation:

If you are a collector, hot rod enthusiast, or someone with experience in engine rebuilding, the Pontiac 523293 1957 347 engine block may be a worthwhile investment due to its power, collectibility, and versatility. However, if you are on a tight budget, seeking a low-maintenance engine, or lacking the necessary expertise, it may be more prudent to consider alternative, modern engine options.

Details:

Block casting number is 523283, part 523293. Comes with the Carter AFB that was only available on 270HP 347s in 28 series. It was the 586th car off line.Intake is part number 523814, 1954 4v. 1957 Pontiac 347 CID V8 270 HP, Long Block.

Engine is being sold as a rebuild able core.

part #: 523293 prices

  • $800.00-$1000.00

specifications grokengines:

  • for makes: Pontiac
  • for years: 1957
  • mpn: 523293
  • items included: Timing Cover
  • vintage part: Yes
  • fuel type: Gasoline
  • type: Complete Assembly
  • engine size: 347
  • number of valves: 16
  • country/region of manufacture: United States
  • universal fitment: No

seller grokengines:

  • # reviews: 666
  • city: Saint Louis, Missouri
  • rating: 100.0%

offer grokengines:

  • sold: 0
  • options: Seller-arranged-local-pickup
  • best offers: True
  • started: September 29, 2025
  • availability: In Stock
  • quantity: 1

payments grokengines:

  • wallet: Google-pay
  • other
  • credit card: Discover

returns grokengines:

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

general grokengines:

  • condition: Used
  • Car Truck Parts Accessories > Engines Engine Parts > Engines

shipping grokengines:

for makes: pontiac, for years: 1957, items included: timing cover, vintage part: yes, fuel type: gasoline, type: complete assembly, engine size: 347, number of valves: 16, country/region of manufacture: united states, universal fitment: no,
category: auto parts > car truck parts accessories > engines engine parts > engines, sku: 6104272785497623,

Pontiac 523293 Is Similar To:

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3 offers $800.00–$1000.00 USD
  • Offer #1: $1000.00 price + $Calculated shipping estimate = $1000.00* total. Engine is being sold as a rebuildable core. Block casting number is 523283, part number.+$Calculated shipping
  • Offer #2: $800.00 price + $Calculated shipping estimate = $800.00* total. The car was number 62177 off the assembly line (the stamping is fading at this part and may be 6217). 347 CID V8 long block engine for a 1957 Pontiac 27 series car.+$Calculated shipping
  • Offer #3: $1000.00 price + $Calculated shipping estimate = $1000.00* total. Lower code on the block is 0020393. 1957 Pontiac 347 V8.+$Calculated shipping

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