The Oldsmobile 350, commonly referred to as the “Olds 350,” is a small-block V8 engine that was produced by General Motors from 1967 to 1990. Introduced as a replacement for the Oldsmobile 330, the Olds 350 quickly became popular due to its combination of power, reliability, and relatively low cost.
The Olds 350 was available in a variety of configurations, with different horsepower and torque ratings depending on the year and application. However, all Olds 350 engines shared a common design, featuring a cast-iron block and heads, a forged steel crankshaft, and hydraulic lifters. This combination of features made the Olds 350 a durable and reliable engine that was well-suited for a variety of applications, from passenger cars to trucks and SUVs.
Over its production run, the Olds 350 was used in a wide variety of General Motors vehicles, including the Oldsmobile Cutlass, the Chevrolet Camaro, the Pontiac Firebird, and the Buick Regal. It was also used in a number of marine and industrial applications. The Olds 350 is still popular today among enthusiasts, and it is often used in classic car restorations and hot rods.
Olds 350
The Olds 350 is a small-block V8 engine that was produced by General Motors from 1967 to 1990. It was a popular engine for use in a variety of GM vehicles, including the Oldsmobile Cutlass, the Chevrolet Camaro, and the Pontiac Firebird.
- Displacement: 350 cubic inches
- Bore and Stroke: 4.000 in x 3.385 in
- Compression Ratio: 9.0:1
- Horsepower: 250-320 hp
- Torque: 320-400 lb-ft
- Weight: 525 lbs
- Production: 1967-1990
- Applications: Oldsmobile Cutlass, Chevrolet Camaro, Pontiac Firebird, Buick Regal, marine and industrial applications
The Olds 350 was a popular engine for use in a variety of applications due to its combination of power, reliability, and relatively low cost. It was also a relatively lightweight engine, which made it a good choice for use in performance applications. Today, the Olds 350 is still popular among enthusiasts, and it is often used in classic car restorations and hot rods.
Displacement
The displacement of an engine is the total volume of air and fuel that the engine’s cylinders can hold. It is measured in cubic inches or liters. The Olds 350 engine has a displacement of 350 cubic inches, which means that each of its eight cylinders can hold 350 cubic inches of air and fuel.
- Power and Torque: The displacement of an engine is one of the key factors that determines its power and torque. A larger displacement engine can typically produce more power and torque than a smaller displacement engine. This is because a larger displacement engine can burn more air and fuel, which creates more power.
- Efficiency: The displacement of an engine also affects its efficiency. A larger displacement engine is typically less efficient than a smaller displacement engine. This is because a larger displacement engine has to burn more fuel to produce the same amount of power.
- Weight: The displacement of an engine also affects its weight. A larger displacement engine is typically heavier than a smaller displacement engine. This is because a larger displacement engine has more parts.
The displacement of an engine is an important factor to consider when choosing an engine for a particular application. The displacement of an engine will affect its power, torque, efficiency, and weight.
Bore and Stroke
The bore and stroke of an engine are two of the most important factors that determine its displacement, power, and torque. The bore is the diameter of the cylinders, and the stroke is the distance that the pistons travel from top to bottom. The Olds 350 engine has a bore of 4.000 inches and a stroke of 3.385 inches.
- Displacement: The bore and stroke of an engine are directly related to its displacement. A larger bore or stroke will result in a larger displacement. The Olds 350 engine has a displacement of 350 cubic inches, which is relatively large for a small-block V8 engine.
- Power: The bore and stroke of an engine also affect its power. A larger bore or stroke will typically result in more power. The Olds 350 engine is known for its relatively high power output, which is due in part to its large bore and stroke.
- Torque: The bore and stroke of an engine also affect its torque. A larger bore or stroke will typically result in more torque. The Olds 350 engine has a relatively high torque output, which makes it well-suited for use in trucks and SUVs.
- Efficiency: The bore and stroke of an engine also affect its efficiency. A larger bore or stroke will typically result in lower efficiency. The Olds 350 engine is not particularly efficient, but it is still relatively efficient for a small-block V8 engine.
The bore and stroke of an engine are important factors to consider when choosing an engine for a particular application. The bore and stroke of an engine will affect its displacement, power, torque, and efficiency.
Compression Ratio
The compression ratio of an engine is the ratio of the volume of the cylinder when the piston is at the bottom of its stroke to the volume of the cylinder when the piston is at the top of its stroke. The Olds 350 engine has a compression ratio of 9.0:1, which means that the volume of the cylinder when the piston is at the bottom of its stroke is 9 times greater than the volume of the cylinder when the piston is at the top of its stroke.
- Power: The compression ratio of an engine is one of the key factors that determines its power. A higher compression ratio will typically result in more power. This is because a higher compression ratio means that more air and fuel are compressed into the cylinder, which creates more power when the air and fuel are ignited.
- Efficiency: The compression ratio of an engine also affects its efficiency. A higher compression ratio will typically result in greater efficiency. This is because a higher compression ratio means that more of the air and fuel are burned during the combustion process, which results in less wasted energy.
- Emissions: The compression ratio of an engine also affects its emissions. A higher compression ratio will typically result in lower emissions. This is because a higher compression ratio means that more of the air and fuel are burned during the combustion process, which results in less unburned hydrocarbons and other pollutants being emitted from the engine.
The compression ratio of an engine is an important factor to consider when choosing an engine for a particular application. The compression ratio of an engine will affect its power, efficiency, and emissions.
Horsepower
The Olds 350 engine is known for its relatively high horsepower output, which ranges from 250 to 320 horsepower. This is due in part to its large displacement and bore and stroke, as well as its high compression ratio. The Olds 350 engine was used in a variety of high-performance applications, including the Oldsmobile 442, the Chevrolet Camaro Z28, and the Pontiac Firebird Trans Am.
The horsepower of an engine is a measure of its power output. It is calculated by multiplying the torque by the engine speed. The Olds 350 engine has a relatively high torque output, which contributes to its high horsepower rating. The Olds 350 engine is also known for its good throttle response and low-end torque, which makes it a good choice for use in performance applications.
The Olds 350 engine is a popular choice for use in hot rods and classic car restorations. It is also used in a variety of marine and industrial applications. The Olds 350 engine is a reliable and powerful engine that is well-suited for a variety of applications.
Torque
Torque is a measure of an engine’s twisting force. It is expressed in pound-feet (lb-ft) and is determined by the engine’s displacement, compression ratio, and camshaft design. The Olds 350 engine has a torque rating of 320-400 lb-ft, which is relatively high for a small-block V8 engine.
Torque is important because it measures an engine’s ability to do work. An engine with high torque will be able to accelerate quickly and tow heavy loads. The Olds 350 engine’s high torque rating makes it a good choice for use in trucks and SUVs, as well as performance cars.
The Olds 350 engine’s torque is also important for its durability. An engine with high torque will be less likely to stall or bog down under load. This makes the Olds 350 engine a good choice for use in applications where reliability is important, such as in commercial vehicles and marine applications.
In summary, the Olds 350 engine’s torque rating of 320-400 lb-ft is an important factor that contributes to its performance, durability, and versatility.
Weight
The Olds 350 engine weighs 525 lbs, which is relatively light for a small-block V8 engine. This makes it a good choice for use in a variety of applications, including performance cars, trucks, and SUVs.
- Power-to-weight ratio: The power-to-weight ratio of a vehicle is a measure of its performance. A higher power-to-weight ratio means that the vehicle has more power for its weight, which results in better acceleration and handling. The Olds 350 engine’s relatively low weight contributes to its good power-to-weight ratio, making it a good choice for use in performance applications.
- Fuel efficiency: The weight of a vehicle also affects its fuel efficiency. A heavier vehicle will typically be less fuel efficient than a lighter vehicle. The Olds 350 engine’s relatively low weight contributes to its good fuel efficiency, making it a good choice for use in vehicles that are intended to be driven long distances.
- Handling: The weight of a vehicle also affects its handling. A heavier vehicle will typically be more difficult to handle than a lighter vehicle. The Olds 350 engine’s relatively low weight contributes to its good handling, making it a good choice for use in vehicles that are intended to be driven on winding roads or in other situations where handling is important.
- Durability: The weight of a vehicle can also affect its durability. A heavier vehicle will typically be more durable than a lighter vehicle. The Olds 350 engine’s relatively low weight contributes to its good durability, making it a good choice for use in vehicles that are intended to be used for heavy-duty applications.
The Olds 350 engine’s weight of 525 lbs is an important factor that contributes to its performance, fuel efficiency, handling, and durability. This makes it a good choice for use in a variety of applications, including performance cars, trucks, and SUVs.
Production
The Olds 350 engine was produced from 1967 to 1990. This long production run is a testament to the engine’s popularity and versatility. The Olds 350 engine was used in a wide variety of General Motors vehicles, including cars, trucks, and SUVs. It was also used in marine and industrial applications.
The Olds 350 engine was a popular choice for performance applications. It was used in a number of muscle cars, including the Oldsmobile 442, the Chevrolet Camaro Z28, and the Pontiac Firebird Trans Am. The Olds 350 engine was also used in a number of racing applications, including NASCAR and drag racing.
The Olds 350 engine is still popular today among enthusiasts. It is often used in classic car restorations and hot rods. The engine’s combination of power, reliability, and relatively low cost make it a good choice for a variety of applications.
Applications
The Olds 350 engine was used in a wide variety of applications, from classic muscle cars to marine and industrial equipment. This versatility is a testament to the engine’s power, reliability, and adaptability.
- Automotive: The Olds 350 engine was used in a variety of General Motors vehicles, including the Oldsmobile Cutlass, Chevrolet Camaro, Pontiac Firebird, and Buick Regal. These cars were popular for their performance and style, and the Olds 350 engine was a key part of their appeal.
- Marine: The Olds 350 engine was also used in a variety of marine applications, including boats and personal watercraft. The engine’s power and torque made it ideal for powering boats through the water, and its reliability made it a popular choice for boaters.
- Industrial: The Olds 350 engine was also used in a variety of industrial applications, including generators, pumps, and compressors. The engine’s durability and reliability made it well-suited for these applications, where it could provide power and torque for long periods of time.
The Olds 350 engine’s versatility is a testament to its design and engineering. The engine’s combination of power, reliability, and adaptability made it a popular choice for a wide variety of applications, from classic muscle cars to marine and industrial equipment.
FAQs about the Olds 350 Engine
The Olds 350 engine is a popular choice for classic car restorations and hot rods due to its combination of power, reliability, and relatively low cost. However, there are some common questions and misconceptions about the Olds 350 engine that potential buyers and enthusiasts should be aware of.
Question 1: What are the different types of Olds 350 engines?
There were several different versions of the Olds 350 engine produced over its long production run. The most common version is the “L34” engine, which was produced from 1969 to 1979. The L34 engine has a cast-iron block and heads, a forged steel crankshaft, and hydraulic lifters. It produces between 250 and 320 horsepower, depending on the year and application.
Question 2: What are the advantages of the Olds 350 engine?
The Olds 350 engine has several advantages over other small-block V8 engines. First, it is relatively lightweight, which makes it a good choice for performance applications. Second, it is very durable and reliable, making it a good choice for long-distance driving or heavy-duty use. Third, it is relatively inexpensive to purchase and maintain.
Question 3: What are the disadvantages of the Olds 350 engine?
The Olds 350 engine also has some disadvantages. First, it is not as fuel-efficient as some other small-block V8 engines. Second, it is not as powerful as some other small-block V8 engines, especially in stock form. Third, it can be difficult to find performance parts for the Olds 350 engine, especially for the earlier versions.
Question 4: What are the most common problems with the Olds 350 engine?
The Olds 350 engine is generally a reliable engine, but there are some common problems that can occur. One common problem is intake manifold gasket failure. This can cause coolant and oil to leak from the engine. Another common problem is valve train noise. This can be caused by worn lifters or rocker arms.
Question 5: How can I improve the performance of my Olds 350 engine?
There are several ways to improve the performance of an Olds 350 engine. One way is to install a performance camshaft. This will increase the engine’s valve lift and duration, which will allow it to breathe more air and fuel. Another way to improve performance is to install a performance intake manifold. This will allow the engine to flow more air and fuel into the cylinders.
Question 6: What is the future of the Olds 350 engine?
The Olds 350 engine is a classic engine that is still popular today. It is likely that the Olds 350 engine will continue to be popular for many years to come. However, it is important to note that the Olds 350 engine is no longer in production. This means that it can be difficult to find replacement parts for the engine. Additionally, the Olds 350 engine is not as fuel-efficient as newer engines. This means that it may not be the best choice for drivers who are looking for a fuel-efficient vehicle.
Overall, the Olds 350 engine is a good choice for those who are looking for a powerful, reliable, and relatively inexpensive engine. However, it is important to be aware of the engine’s potential problems and limitations before making a purchase.
For more information on the Olds 350 engine, please refer to the following resources:
- Wikipedia: Oldsmobile V8 engine
- Hot Rod: Oldsmobile 350 Engine Build Specs & Tech
- Car Craft: Oldsmobile 350 Engine Build
Tips for Olds 350 Engine Enthusiasts
The Olds 350 engine is a classic powerplant that has been used in a wide variety of vehicles over the years. It is known for its durability, reliability, and relatively low cost. However, there are a few things that you should keep in mind if you are considering purchasing or owning an Olds 350 engine.
Tip 1: Choose the right engine for your application.
The Olds 350 engine was produced in a variety of configurations, with different horsepower and torque ratings. It is important to choose the right engine for your specific application. If you are looking for a high-performance engine, you will need to choose an engine with a higher horsepower rating. If you are looking for a more fuel-efficient engine, you will need to choose an engine with a lower horsepower rating.
Tip 2: Maintain your engine properly.
The Olds 350 engine is a durable engine, but it is important to maintain it properly to ensure that it lasts for many years. This includes regular oil changes, tune-ups, and other maintenance procedures. It is also important to use high-quality parts when servicing your engine.
Tip 3: Upgrade your engine for performance.
If you are looking for more power from your Olds 350 engine, there are a number of performance upgrades that you can make. These upgrades can include installing a performance camshaft, intake manifold, and exhaust system. You can also upgrade the engine’s internals, such as the pistons, rods, and crankshaft.
Tip 4: Find a good mechanic.
If you are not comfortable working on your own engine, it is important to find a good mechanic who can help you. A good mechanic will be able to diagnose and repair any problems that you may have with your engine. They can also help you with performance upgrades and other modifications.
Tip 5: Enjoy your Olds 350 engine!
The Olds 350 engine is a great engine that can provide many years of enjoyment. By following these tips, you can keep your engine running strong for many years to come.
Summary of key takeaways or benefits:
- The Olds 350 engine is a versatile engine that can be used in a wide variety of applications.
- It is important to choose the right engine for your specific application.
- The Olds 350 engine is a durable engine, but it is important to maintain it properly.
- There are a number of performance upgrades that you can make to your Olds 350 engine.
- It is important to find a good mechanic who can help you with your Olds 350 engine.
Transition to the article’s conclusion:
By following these tips, you can get the most out of your Olds 350 engine. This engine is a great choice for those who are looking for a powerful, reliable, and relatively low-cost engine.
Conclusion
The Olds 350 engine is a powerful, reliable, and relatively low-cost engine that has been used in a wide variety of vehicles over the years. It is a versatile engine that can be used for a variety of applications, from classic car restorations to hot rods and even marine and industrial applications.
If you are considering purchasing or owning an Olds 350 engine, it is important to do your research and choose the right engine for your specific application. It is also important to maintain your engine properly and make any necessary upgrades to ensure that it lasts for many years to come.
The Olds 350 engine is a great choice for those who are looking for a powerful, reliable, and relatively low-cost engine. By following the tips in this article, you can get the most out of your Olds 350 engine.