fits model: 350, Sb, Corvette. year: 1973.

( Brand: Gm ), ( Manufacturer Part Number: 3998993 ), ( Part Type: Head Cylinder )
The 3998993 1973 Chevrolet Corvette engine is a true powerhouse for any classic car enthusiast. This 190hp SB GM engine, featuring a 350 corvette head, is a testament to the iconic performance history of the Corvette.
The engine core is a 1.94, which is a common size for high-performance engines, indicating its potential for significant power output. The cylinder configuration is a 18-3, meaning it has 18 cylinders arranged in a three-bank layout. This configuration allows for a smooth and balanced power delivery, while the D-18-3 designation refers to the specific configuration of the cylinders in the engine block.
The 1.50 ratio in this engine refers to the compression ratio, which is an important factor in determining the engine's power output. A higher compression ratio allows for more fuel to be burned in each cylinder stroke, resulting in more power. This engine's 1.50 compression ratio suggests that it has been well-maintained and tuned for optimal performance.
Overall, this 3998993 1973 Chevrolet Corvette engine is a fantastic addition for any classic car restoration or performance upgrade project. Its 350 corvette head, 1.94 core, 18-3 cylinder configuration, and 1.50 compression ratio make it a powerful and reliable engine that is sure to impress on the road or at the track.
The 1973 Chevrolet Corvette with a 350 cubic inch V8 engine, 190 horsepower, and a 1.94 intake and 1.50 exhaust valve, 18-3 cylinder head, identified by the D-18-3 code, is a classic car with its own unique pros and cons.
Pros:1. Iconic Design: The Corvette is a classic American sports car with a timeless design that is sure to turn heads.
2. Powerful Engine: The 350 cubic inch V8 engine provides plenty of power, making for a thrilling driving experience.
3. Collectible Value: As a classic car, the Corvette has the potential to appreciate in value over time.
4. Customizability: With its powerful engine, the Corvette offers plenty of room for customization, allowing owners to make the car their own.
Cons:1. High Maintenance Costs: Classic cars, especially those with high-performance engines like the Corvette, can be expensive to maintain.
2. Fuel Efficiency: The Corvette's powerful engine means it is not particularly fuel-efficient, which can add to the cost of ownership.
3. Limited Modern Features: Classic cars often lack modern safety features and comforts, which can be a drawback for some buyers.
4. Reliability Issues: Older cars like the Corvette can sometimes have reliability issues, which can lead to unexpected repairs.
In conclusion, while the 1973 Chevrolet Corvette with a 350 cubic inch V8 engine has its drawbacks, it is also a powerful and iconic car with potential for appreciation in value. If you are a classic car enthusiast with the means to maintain and repair it, then this Corvette could be a great investment. However, if you are looking for a reliable daily driver or a car with modern features, you may want to consider other options.
AK, hi, pr and the territories may be a little extra, please for a shipping quote.
There's some light surface rust on the mating surfaces pics.
The threaded holes on both heads are all in good condition. These heads will need to be completely gone through and rebuilt before being used. The other head is complete with valves, springs, retainers, rockers and studs.
More quality Corvette parts from scroll to the bottom for more pictures for sale is one used pair of cast iron cylinder head cores.
The mount holes all have grooves on them from being tightened down over the years pics.
This is a fair original pair of cylinder heads for rebuild for your Corvette, please look at the pictures below.
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There is one head that is bare with only rocker studs attached.
These parts should all be replaced.