Your buddy, Mark, is finally ready to ditch the stock engine in his classic Mustang. He’s been dreaming about this for ages, spending countless hours watching build videos and researching parts. He wants to feel that raw power, that rumble that shakes you to your core. But with so many options out there, the choices can be overwhelming. One minute he’s looking at short blocks, the next, complete crate engines. After a few late-night chats, it’s become clear that what he truly needs is a long engine block – the core of his dream build.
Choosing the right long block is crucial, and that’s where we come in! Our goal is to simplify the process and help you find the best performance long engine blocks for your specific needs and budget. Whether you’re aiming for maximum horsepower, reliable street performance, or a balance of both, we’ve compiled a comprehensive guide with reviews and tips to steer you toward the perfect foundation for your engine build. Let’s dive in and explore the world of long blocks!
We will review the best performance long engine blocks later in this article. But before that, take a look at some relevant products on Amazon:
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Unlocking Untapped Potential: A Look at Long Engine Blocks
So, you’re thinking about upgrading your engine? Maybe you’re chasing more horsepower, aiming for better reliability, or just want a fresh start. Either way, you’ve probably heard the term “long block” thrown around. But what exactly is a long block, and why are some considered the best in terms of performance? Think of a long block as the heart of your engine – a fully assembled engine minus the intake manifold, carburetor (or fuel injection system), distributor, and other easily swapped accessories. It’s essentially a complete, ready-to-run powerplant core, waiting for your personal touch.
Choosing the right long block can drastically impact your vehicle’s performance. Imagine starting with a solid foundation, crafted with precision and built to handle serious power. Unlike short blocks, which require extra assembly, long blocks offer a convenient route to a fully functional engine. According to recent industry data, upgrades to internal engine components like pistons and connecting rods, features commonly found in high-performance long blocks, can increase horsepower by as much as 30% in some applications.
When we talk about the best performance long engine blocks, we’re not just talking about sheer power numbers. We’re also considering durability, reliability, and the overall value for your money. A long block built with quality components and meticulous attention to detail will not only provide exhilarating performance, but also withstand the rigors of spirited driving, track days, or even just daily commutes. It’s an investment in your vehicle’s longevity and your driving enjoyment.
Ultimately, finding the perfect long block depends on your specific needs and budget. This article will delve into some of the top contenders in the market, exploring their strengths, weaknesses, and ideal applications. We’ll look at what makes them exceptional and help you determine which one is the right fit for your project. Get ready to unlock your engine’s true potential!
Best Performance Long Engine Blocks – Reviews
Ford Performance M-6007-Z347JR
This Ford Performance block is a beast! If you’re looking to build a serious small-block Ford stroker, the Z347JR is a fantastic foundation. It’s a 302-based block, but it’s been beefed up to handle serious horsepower. Think of it as a regular 302 on steroids – stronger main caps, thicker cylinder walls, and a revised oiling system. It’s ready to accept a 4.00-inch stroke crank, meaning you can easily push this thing to 347 cubic inches (hence the name!).
The Z347JR is a great choice for both street and strip builds. Its robust design means it can take a beating, and Ford Performance’s reputation for quality speaks for itself. You’ll need to do the usual assembly work – pistons, heads, cam, etc. – but you’re starting with a proven foundation that can handle a ton of power. Just be prepared for the expense; quality doesn’t come cheap!
Chevrolet Performance 19212183 ZZ383
Want to drop some serious torque into your classic Chevy or hot rod? The Chevy Performance ZZ383 is a crate engine legend for a reason. This is essentially a 350 small block bored and stroked to 383 cubic inches. It is capable of making serious power right out of the box. This block is ideal for those wanting a reliable and potent engine.
The ZZ383 is a great choice because it’s a complete long block. This means it’s a nearly drop-in solution. All you need to do is add your intake manifold, carburetor or fuel injection, and accessories. Chevy Performance has a great reputation. This engine is one that enthusiasts have trusted for years. It’s a proven winner on the street and strip!
Mopar Performance P4532183AB 5.9L Magnum
Chrysler fans, rejoice! The Mopar Performance 5.9L Magnum long block is a fantastic way to breathe new life into your classic Mopar muscle car or truck. This is a direct replacement for the 360 cubic inch Magnum V8 that was popular in the 90s. However, it can be upgraded for even more power. Think of it as a potent upgrade that maintains the classic Mopar feel.
The 5.9L Magnum long block is a solid choice because of its relatively affordable price. However, it requires some additional components for completion. It’s a great option for someone looking to build a reliable and powerful engine without breaking the bank. Plus, you get the bragging rights of having a genuine Mopar Performance part under the hood!
Dart Machinery SHP 400 SBC
Dart Machinery is a name synonymous with high-performance engine blocks, and their SHP (Special High Performance) 400 SBC is a prime example of their expertise. This block is designed to handle serious horsepower and abuse, making it perfect for racing, drag racing, or anyone building a high-performance street engine. Think of it as a blank canvas for your ultimate small-block Chevy build.
The SHP 400 block stands out because of its robust construction and attention to detail. It boasts thicker cylinder walls, stronger main caps, and improved oiling compared to a stock block. This is a block designed for serious power. It’s a favorite among engine builders who demand the best in strength and reliability.
World Products Motown LS
Looking to build a high-performance LS engine without breaking the bank? The World Products Motown LS block is a great starting point. This block is designed as an affordable alternative to the factory LS blocks. It offers a good balance of strength and value. It is ideal for those wanting to build a potent LS engine without the premium price tag.
The Motown LS block is a popular choice because it offers a lot of bang for your buck. It features a thicker deck surface and stronger main caps compared to a stock LS block. This allows it to handle more power. It’s a great option for street/strip builds or anyone looking to upgrade their LS engine without spending a fortune.
Why Upgrade to a Performance Long Engine Block?
Ever felt like your trusty vehicle is just…lacking? Maybe it’s struggling to keep up on the highway, or that hill climb you used to breeze through now feels like a monumental task. This is often a sign that your engine is nearing its limits, or just plain wearing down. While a tune-up might offer a temporary boost, ultimately, the underlying issue is the engine itself. That’s where a performance long engine block comes into play. It’s a complete, high-quality engine foundation designed to breathe new life and significantly enhanced power into your ride.
Imagine this: you’re planning a weekend adventure, towing your boat or camper up into the mountains. With your current engine, you’re constantly battling the elevation, fuel economy is plummeting, and you’re worried about overheating. Now picture that same scenario with the best performance long engine block installed. Suddenly, the mountain pass feels manageable, your fuel efficiency improves, and you have the peace of mind knowing your engine is built to handle the extra stress. This upgrade translates to a more enjoyable, reliable, and powerful driving experience, no matter the challenge.
The difference lies in the quality of components and construction. The best performance long engine blocks utilize stronger, more durable materials, precision machining, and often feature design improvements that optimize airflow and combustion. This not only translates to increased horsepower and torque but also enhances the overall lifespan and reliability of your engine. Think of it as a long-term investment in your vehicle, providing you with years of dependable performance and exhilarating driving.
Ultimately, upgrading to a performance long engine block isn’t just about adding power; it’s about transforming your driving experience. It’s about regaining that thrill you felt when you first got behind the wheel and having the confidence to tackle any journey with ease. Whether you’re a weekend warrior, a daily driver, or simply someone who appreciates a smooth, powerful ride, a performance long engine block is an investment that truly delivers.
Understanding Long Block Configurations: What’s Included?
Ever wondered what exactly you’re getting when you purchase a long block engine? It’s more than just a short block, that’s for sure! A long block essentially takes the short block (the engine block, crankshaft, connecting rods, and pistons) and adds the cylinder heads, camshaft, and valve train. Think of it as the core of your engine, the heart and lungs combined. It’s like buying a partially assembled Lego set – the essential pieces are there, ready for you to add the final touches.
Understanding the specific components included in your long block is crucial. Are you getting upgraded valves? What about the camshaft? Knowing the specifics allows you to plan the rest of your build accordingly. Imagine buying a long block expecting a specific type of camshaft only to find out it’s a standard one. Talk about a setback! This understanding will save you time, money, and potential headaches down the road.
The configuration of the long block also dictates its intended application. A long block designed for forced induction (turbo or supercharger) will have different internals than one built for naturally aspirated performance. Consider a Mustang owner looking for more power. A long block built for a supercharger will have stronger pistons and rods to handle the increased pressure and heat. Mismatching the long block to your application can lead to premature failure and a whole lot of frustration.
Ultimately, understanding the long block configuration helps you make an informed decision. It ensures you’re getting the components you need for your build and that they are compatible with your overall goals. It’s about maximizing performance and reliability, avoiding costly mistakes, and ensuring your engine build goes smoothly from start to finish.
Prepping for Installation: Key Considerations
So, you’ve got your shiny new long block. Now what? Before you just drop it in and start cranking, there are several key considerations to address. Think of it like prepping a room for painting – you need to mask off areas, sand the walls, and prime the surface before you can apply the color. Neglecting these steps with your long block could lead to serious problems down the line.
One of the most crucial aspects is ensuring the long block is properly lubricated before initial startup. Use an engine assembly lube on critical components like the camshaft lobes, valve train, and bearings. This will prevent excessive wear and tear during the initial break-in period. Imagine starting your car after an oil change and forgetting to fill it with oil – that’s the level of potential damage we’re trying to avoid.
Another important consideration is confirming the compatibility of all your existing components with the new long block. This includes things like the intake manifold, exhaust headers, distributor, and fuel system. Will your current intake manifold bolt up to the new cylinder heads? Does your existing fuel system have enough capacity to support the increased horsepower? These are critical questions that need to be answered before installation.
Finally, take the time to thoroughly inspect the long block for any potential issues before installing it. Check for any signs of damage during shipping, verify the torque specs for critical bolts, and ensure all the necessary plugs and fittings are in place. This is your last chance to catch any problems before the engine is installed in the vehicle. Skipping this step is like buying a new TV without checking for a cracked screen – you’ll regret it as soon as you turn it on.
Optimizing Performance: Matching Components for Maximum Gain
A high-performance long block is a great start, but it’s only one piece of the puzzle. To truly unlock its potential, you need to carefully match it with other performance components. Think of it like building a sports team – you can have a star player, but they need a solid supporting cast to win championships. The same principle applies to your engine.
One of the most important matching components is the cylinder head. The cylinder heads dictate the airflow into and out of the engine, directly impacting horsepower and torque. A long block with high-flowing cylinder heads needs a complementary intake manifold and exhaust system to maximize its potential. Imagine a runner with huge lung capacity trying to breathe through a tiny straw – that’s what it’s like to pair high-performance cylinder heads with a restrictive intake or exhaust.
The fuel system is another critical component to consider. A high-performance long block will require more fuel to make more power. Ensure your fuel injectors, fuel pump, and fuel lines are capable of delivering the necessary fuel volume. Running lean (not enough fuel) can lead to detonation and engine damage. It’s like trying to bake a cake with not enough flour – the result will be a disaster.
Finally, don’t forget about the engine management system (ECU). A performance long block will likely require a custom tune to optimize its performance and ensure it’s running safely. This may involve adjusting fuel maps, ignition timing, and other parameters. Think of it as fine-tuning a musical instrument – you need to adjust the settings to achieve the perfect sound. A properly tuned engine will deliver maximum power and reliability.
Long Block Maintenance: Ensuring Longevity and Reliability
You’ve invested in a performance long block, and you want it to last. Proper maintenance is key to ensuring its longevity and reliability. Think of it like taking care of a racehorse – you need to provide it with the right nutrition, exercise, and veterinary care to keep it performing at its best. Neglecting maintenance can lead to premature wear, reduced performance, and ultimately, engine failure.
Regular oil changes are the cornerstone of long block maintenance. Use a high-quality synthetic oil that meets the manufacturer’s specifications. Change the oil and filter at the recommended intervals, or even more frequently if you’re subjecting the engine to extreme conditions. Dirty oil can lead to increased wear and tear on critical components like the bearings and camshaft.
Another important aspect of maintenance is monitoring the engine’s vital signs. Keep an eye on the oil pressure, coolant temperature, and exhaust gas temperature (EGT). Any sudden changes or deviations from the norm could indicate a problem. It’s like listening to your body – if you notice any unusual symptoms, it’s best to consult a doctor.
Finally, don’t neglect routine inspections. Check for any leaks, cracks, or other signs of damage. Inspect the spark plugs, valve train, and other critical components. Addressing minor issues early on can prevent them from escalating into major problems. It’s similar to checking your tires regularly – catching a small nail before it causes a flat can save you a lot of trouble down the road.
Best Performance Long Engine Blocks: A Buyer’s Guide
Hey there, gearhead! Looking to squeeze some serious power out of your ride? You’ve probably landed on the idea of a performance long engine block. It’s a fantastic way to give your car a new lease on life, offering a robust foundation for incredible horsepower and torque. But with so many options out there, choosing the right one can feel a little daunting. Don’t worry, I’m here to help you navigate the world of long blocks and ensure you get the perfect match for your needs. Think of me as your friendly neighborhood engine enthusiast, ready to share some insider knowledge.
So, buckle up, because we’re about to dive deep into the key factors you should consider before making that all-important purchase. By the end of this guide, you’ll be equipped to make an informed decision and find the best performance long engine blocks to unleash the true potential of your car. Let’s get started!
Engine Block Material and Construction
Choosing the right material for your long block is like picking the foundation for your dream house – it’s gotta be solid. Cast iron is a classic choice, known for its durability and ability to dampen vibrations. It’s typically more affordable, making it a great option if you’re on a budget. However, it’s also heavier, which can impact your car’s overall weight and handling. Imagine adding a whole extra person to your car – that’s kind of the effect a heavy block can have!
Aluminum, on the other hand, is much lighter, improving weight distribution and responsiveness. It also dissipates heat more efficiently, which is crucial for high-performance engines. The downside? Aluminum blocks are generally more expensive and can be more susceptible to damage if not properly maintained. It’s like the difference between a sturdy work truck and a sleek sports car – each has its strengths and weaknesses, so choose wisely! This aspect alone will help narrow down the search for the best performance long engine blocks.
Cylinder Bore and Stroke
Think of the cylinder bore and stroke as the lungs of your engine. The bore is the diameter of the cylinder, while the stroke is the distance the piston travels up and down. Together, they determine the engine’s displacement – the total volume swept by all the pistons. A larger displacement generally means more power, but it also affects the engine’s characteristics. It’s a delicate balancing act!
A longer stroke tends to produce more low-end torque, making your car feel strong off the line. A larger bore, on the other hand, allows for bigger valves and better airflow, which is crucial for high-RPM horsepower. Consider what kind of driving you’ll be doing most often. Do you want a tire-shredding beast that launches like a rocket, or a nimble machine that screams at the top end? The choice is yours! Remember that your needs dictate what the best performance long engine blocks will be for your build.
Crankshaft and Connecting Rods
The crankshaft and connecting rods are the backbone of your engine, converting the linear motion of the pistons into rotational motion. A forged crankshaft is significantly stronger than a cast crankshaft, making it essential for high-performance applications. It can withstand higher stresses and RPMs, ensuring your engine doesn’t grenade itself when you push it to the limit. Think of it as upgrading from a flimsy bicycle chain to a heavy-duty motorcycle chain.
Similarly, forged connecting rods are much more durable than cast rods. They are less likely to bend or break under extreme pressure. Upgrading to aftermarket connecting rods, like those from brands such as Eagle or Manley, can increase the longevity of your engine while also potentially making more horsepower and torque. Investing in quality components here is a must. It’s like buying a quality hammer versus a cheap one. You want the hammer that’s going to withstand multiple nails, not one that will break after a few swings. Seeking out the best performance long engine blocks often means considering the quality of these core components.
Pistons and Rings
Pistons and rings are responsible for sealing the combustion chamber and transferring the force of combustion to the crankshaft. Forged pistons are the go-to choice for performance engines due to their superior strength and resistance to detonation. They can handle higher compression ratios and more boost, allowing you to extract maximum power. Cast pistons are generally sufficient for more mild builds, but for serious performance, forged is the way to go.
The piston rings play a crucial role in sealing the combustion chamber and preventing oil from entering. High-quality rings ensure optimal compression, reducing blow-by and maximizing power output. Look for rings with a low coefficient of friction to minimize wear and improve engine efficiency. Like buying a good pair of shoes, paying more for higher-quality options here can increase your overall experience, helping you achieve the best performance long engine blocks.
Camshaft and Valvetrain
The camshaft and valvetrain control the opening and closing of the valves, dictating the engine’s breathing characteristics. A performance camshaft can significantly alter the engine’s power curve, shifting it higher in the RPM range for increased horsepower. However, it can also affect idle quality and low-end torque. This is a really important decision to make.
Consider your driving style and desired powerband when selecting a camshaft. A more aggressive cam profile will generally result in higher horsepower but may sacrifice drivability. Upgrading to stronger valve springs and lightweight retainers is essential to prevent valve float at high RPMs. When buying your block, check to see what it is equipped with and then ensure that the build you want is possible with those components. Often, investing in better valvetrain components can ensure you have the best performance long engine blocks.
Cooling and Oiling Systems
An effective cooling system is crucial for preventing overheating and maintaining optimal engine temperatures. A high-flow water pump and a larger radiator can significantly improve cooling capacity, especially in high-performance applications. Proper cooling ensures that the engine runs efficiently and reliably, preventing costly damage.
The oiling system is equally important, ensuring that all critical engine components are properly lubricated. Upgrading to a high-volume oil pump and a larger oil pan can improve oil pressure and prevent oil starvation at high RPMs. A properly functioning oil system will extend the life of your engine and maintain its performance over time. These aspects may not be readily apparent when looking at a long block, so ensure you understand the specifications before making a purchase. These small details can ensure you get the best performance long engine blocks.
Machining and Assembly Quality
Finally, the quality of the machining and assembly is paramount. Even the best components won’t perform optimally if they’re not properly machined and assembled. Look for a reputable engine builder with a proven track record. They should have the necessary equipment and expertise to ensure that all tolerances are within specification.
Ask about their machining processes and quality control measures. A well-machined and assembled engine will run smoother, last longer, and produce more power. Remember, you’re investing in a complex and intricate piece of machinery. Don’t cut corners on machining and assembly. It’s always beneficial to do your homework before getting into this deep, looking at reviews and testimonials before purchasing the best performance long engine blocks for your build.
By considering these seven key factors, you’ll be well-equipped to choose the best performance long engine blocks for your needs. Good luck, and happy building!
FAQs
What exactly *is* a long engine block, and why should I care?
Think of the long engine block as the heart of your engine, but without all the accessories attached. It’s basically the engine block itself, crankshaft, connecting rods, pistons, camshaft, and valve train – all pre-assembled and ready to go. It’s a step up from a short block, which only includes the block, crankshaft, and pistons. You should care because it offers a significant upgrade or replacement option, saving you the hassle and time of sourcing and assembling all these components individually.
Getting a long block is like getting a pre-built foundation. It assures everything is compatible and properly assembled, minimizing the chances of errors during your build. This saves time, money on potential mistakes, and provides a more reliable starting point. Plus, it lets you focus on choosing the specific heads, intake, and other accessories that match your performance goals!
What are the key things to consider when choosing a long engine block?
Choosing the right long block involves a bit of research, but it’s worth it to get the best performance for your build! First, think about your intended use. Are you building a drag racer, a weekend cruiser, or a daily driver? This will impact the power levels, RPM range, and overall durability you need. Consider the materials used, especially the block and crankshaft. Stronger materials, like forged steel, are essential for high-performance applications.
Next, look at the specifications. Things like bore and stroke affect displacement, compression ratio, and power output. Pay attention to the cylinder head compatibility; you want to ensure the long block is designed to work with the heads you plan to use. Don’t forget to check the warranty offered by the manufacturer or supplier. A solid warranty provides peace of mind and protects your investment in case of any issues.
How much does a high-performance long engine block typically cost?
The price of a high-performance long engine block can vary quite a bit, depending on a few key factors. Things like the brand, materials used, engine displacement, and the level of performance it’s designed for all play a role. You’ll generally find a range from around $3,000 for a basic performance long block, all the way up to $10,000+ for a top-of-the-line, race-ready option.
Don’t automatically jump for the cheapest option, though! Remember, you often get what you pay for. Higher-priced long blocks typically use better materials, have tighter tolerances, and undergo more rigorous quality control. Weigh your budget against your performance goals and choose a block that offers the best balance of price and features for your needs. Also, remember to factor in the cost of any additional components and labor needed for installation.
Are long engine blocks difficult to install? Can I do it myself?
Installing a long engine block is a significant undertaking and definitely not a beginner-level project. While it’s not rocket science, it requires a solid understanding of engine mechanics, proper tools, and a clean workspace. You’ll need to be comfortable working with various engine components, torquing bolts to specification, and connecting all the necessary wiring and hoses.
If you have experience rebuilding engines or working on complex automotive projects, and you have access to the right tools and service manuals, then tackling the installation yourself might be an option. However, if you’re unsure about any part of the process, it’s always best to consult with a qualified mechanic. A professional will ensure the long block is installed correctly, which is crucial for its performance and longevity. A mistake here could lead to costly repairs down the road.
What kind of maintenance do long engine blocks require?
Maintaining a long engine block is similar to maintaining any engine, but paying attention to the specifics will help ensure its longevity and optimal performance! Regular oil changes are paramount – use a high-quality oil with the correct viscosity for your engine and driving conditions. Monitor your coolant levels and ensure your cooling system is functioning properly to prevent overheating.
Checking for leaks and unusual noises is also crucial. Catching small issues early can prevent them from turning into major problems. Be sure to follow the manufacturer’s recommended maintenance schedule for valve adjustments and other specific procedures. Finally, avoid pushing the engine beyond its designed limits, especially when it’s new. A little extra care can go a long way in keeping your long block running strong for years to come.
What are some common mistakes people make when buying a long engine block?
One of the most common mistakes is not doing enough research! People often focus solely on price without considering the quality of materials, the reputation of the manufacturer, or the specific needs of their build. Make sure you take the time to read reviews, compare specifications, and understand the differences between different long block options.
Another pitfall is ignoring compatibility. It’s essential to ensure the long block is compatible with your existing components, such as the cylinder heads, intake manifold, and exhaust system. Mismatched parts can lead to poor performance, engine damage, or even prevent the engine from running at all. And don’t forget about proper installation – skipping steps or using incorrect torque specifications can have disastrous consequences.
How do I know if my existing engine needs a long block replacement?
There are several signs that might indicate your engine is nearing the end of its life and might benefit from a long block replacement. Common symptoms include excessive oil consumption, knocking or rattling noises coming from the engine, reduced power or performance, and difficulty starting. You might also notice blue smoke coming from the exhaust, which is a sign of burning oil.
However, it’s important to get a proper diagnosis from a qualified mechanic before making any major decisions. They can perform tests to determine the extent of the damage and recommend the best course of action. In some cases, a simple repair or rebuild might be sufficient. But if the damage is severe, a long block replacement might be the most cost-effective and reliable solution in the long run.
Final Thoughts
Okay, so you’ve soaked up all the knowledge, devoured the details, and now you’re armed with the insight to choose the best performance long engine blocks for your build. It’s an investment, for sure, but think about the payoff – that raw power, that throaty rumble, that unbeatable feeling of knowing you built something truly exceptional. Don’t let doubt creep in. You’ve got this!
The only thing left to do is take that leap. Trust your gut, consider your needs, and pick the engine block that speaks to you. Building a high-performance machine is a journey, and selecting the right block is the foundational step. Now go out there and create something legendary! Your dream build is waiting!