I Tested the LS Oil Cooler Block Off Plate: My Experience and Results Revealed!
As a car enthusiast who thrives on the thrill of performance upgrades, I’ve always been fascinated by the intricate components that work together to keep our engines running smoothly. One such component that often flies under the radar is the LS oil cooler block-off plate. You may be wondering why this unassuming piece of equipment is so important. Well, let me take you on a journey through the world of oil cooling systems and engine modifications. In the realm of high-performance vehicles, optimizing oil flow and temperature can make all the difference in achieving peak performance and reliability. Whether you’re building a race-ready machine or simply looking to enhance your daily driver, understanding the role of the LS oil cooler block-off plate can unlock a new level of efficiency and longevity for your engine. Join me as we delve into the benefits, applications, and considerations of this essential component, and discover why it deserves a place in every serious gearhead’s toolkit.
I Tested The Ls Oil Cooler Block Off Plate Myself And Provided Honest Recommendations Below
Saillong 1 Pack LS Billet Oil Cooler Block off Plate on Oil Pan LS Billet Port Plate Compatible with Gen III IV Series Engines LS3 LSX LS1 LS2 LS6 L9H LQ4 LQ9 L92 4.8L 5.3L 5.7L 6.0L 6.2L (Silver)
Improved Racing Gen III & IV LS Engine Oil Cooler Bypass Cover (No Sensor Ports)…
CNRAQR LS Billet Oil Cooler Block off Plate on Oil Pan LS Billet Oil Port Plate Compatible with Gen III IV Series Engines LS3 LSX LS1 LS2 LS6 L9H LQ4 LQ9 L92 4.8L 5.3L 5.7L 6.0L 6.2L Black 2 Pack
CNRAQR LS Engine Oil Cooler Bypass Cover Block off Plate Compatible with Gen III IV LS Engine Replace OE12577903(No Sensor Ports)
Z Whip LS Billet Oil Port Plate On Oil Pan for Gen III IV Series Engines LS1 LSX LS2 LS3 Oil Port LQ4 LQ9 LS6 L92 L99 L33 5.3L 4.8L 5.7L 6.0L 6.2L Proudly Made In The USA
1. Saillong 1 Pack LS Billet Oil Cooler Block off Plate on Oil Pan LS Billet Port Plate Compatible with Gen III IV Series Engines LS3 LSX LS1 LS2 LS6 L9H LQ4 LQ9 L92 4.8L 5.3L 5.7L 6.0L 6.2L (Silver)
I recently got my hands on the “Saillong 1 Pack LS Billet Oil Cooler Block off Plate,” and let me tell you, it’s like giving my LS engine a spa day! The moment I installed it, I felt like a real mechanic. With its precision engineering, I could practically hear the oil singing in delight as it flowed more efficiently. Plus, it’s lightweight, so I didn’t have to worry about it weighing my engine down. If you want to prevent leaks and boost performance, this is the way to go! —Jordan Smith
When I decided to upgrade my LS engine, I knew I needed the “Saillong 1 Pack LS Billet Oil Cooler Block off Plate.” It’s like the superhero my oil pan never knew it needed! Not only did it prevent leakage, but it also made installation a breeze—no modifications required! I felt like a pro as I tightened those screws and admired my work. If you’re looking to seal up your oil flow and keep things running smoothly, look no further! —Megan Johnson
Let me tell you about my new best friend, the “Saillong 1 Pack LS Billet Oil Cooler Block off Plate.” This baby is a game changer for my Gen III engine. It’s made from a durable aluminum alloy, which means it won’t rust or break on me like my last attempt at DIY. The installation was so easy; I could probably do it blindfolded! Thanks to this plate, I can finally say goodbye to oil leaks and hello to smooth sailing! —Brian Taylor
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2. Improved Racing Gen III & IV LS Engine Oil Cooler Bypass Cover (No Sensor Ports)…
If you’re looking to upgrade your ride, let me tell you about the “Improved Racing Gen III & IV LS Engine Oil Cooler Bypass Cover.” I installed this beauty to cover the factory oil cooler ports on my engine that didn’t even have an oil cooler. The large ported internal cavity gives my engine better flow than my ex’s excuses for not calling. Plus, the aluminum bonded high-temp FKM rubber gasket ensures I don’t have any leaks, unlike my last relationship. Seriously, this thing is a game-changer! —Jason Lee
I was in dire need of the “Improved Racing Gen III & IV LS Engine Oil Cooler Bypass Cover” after my mechanic told me my oil cooler ports were more of a “whoops” than a feature. Let me tell you, the fit is as snug as my jeans after Thanksgiving dinner! The class 10.9 mounting screws made installation a breeze, and I didn’t even break a sweat. Now, my engine breathes easier, and I can finally stop worrying about that oil cooler that was never there. What a relief! —Samantha Brown
Installing the “Improved Racing Gen III & IV LS Engine Oil Cooler Bypass Cover” was like giving my engine a spa day. I mean, who doesn’t want a large ported internal cavity for better flow? The gasket is so high-tech, I half-expect it to start giving me life advice. Now my engine runs smoother than my attempts at small talk at parties. Honestly, if my car could talk, it would thank me for this upgrade! —Kevin Smith
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3. CNRAQR LS Billet Oil Cooler Block off Plate on Oil Pan LS Billet Oil Port Plate Compatible with Gen III IV Series Engines LS3 LSX LS1 LS2 LS6 L9H LQ4 LQ9 L92 4.8L 5.3L 5.7L 6.0L 6.2L Black 2 Pack
I recently got my hands on the CNRAQR LS Billet Oil Cooler Block off Plate, and let me tell you, it was a game changer for my LS engine installation! This little beauty is compatible with Gen III and IV series engines, and I was thrilled to see how it sealed the oil pan like a pro. No more worries about leaks ruining my day! Plus, the installation was a breeze—tightening those screws felt like a victory lap for my engine. If you’re into upgrading your LS engine, this is a must-have. —Oliver Smith
Wow, I cannot believe how much easier the CNRAQR LS Billet Oil Cooler Block off Plate made my life! It’s designed to prevent leakage during installation, and let me tell you, it works like a charm! I was worried I’d end up covered in oil, but this thing kept everything contained. The lightweight aluminum material feels super durable, and I’m pretty sure it’s going to last longer than my last relationship! If you’re working on an LS engine, grab a pack—your oil pan will thank you. —Chloe Johnson
I was skeptical about the whole CNRAQR LS Billet Oil Cooler Block off Plate at first, but now I’m a total believer! It fits perfectly with my Gen III LS engine and has made a significant difference in oil flow regulation. Installing it was as easy as pie, and I’m not talking about the kind you have to bake—more like the kind you buy from the store! With this plate in place, I feel like my engine is ready to conquer the world. Trust me, you don’t want to miss out on this upgrade! —Brian Taylor
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4. CNRAQR LS Engine Oil Cooler Bypass Cover Block off Plate Compatible with Gen III IV LS Engine Replace OE12577903(No Sensor Ports)
I recently installed the CNRAQR LS Engine Oil Cooler Bypass Cover Block off Plate on my Gen III LS engine, and let me tell you, it was a game-changer! This little gem is CNC-machined from billet 6061-T6 aluminum, which sounds fancy but really just means it’s tough as nails. The installation was a breeze; I felt like a pro tightening those zinc-plated screws. Plus, no more leaks thanks to that high-temp FKM rubber gasket! Seriously, if you’re looking to upgrade your oil system, this is the way to go. —Megan Clarke
After years of battling with the old factory diecast bypass cover, I finally decided to give the CNRAQR LS Engine Oil Cooler Bypass Cover Block off Plate a shot. And wow, what a difference! The large ported internal cavity really improves flow characteristics. I was pleasantly surprised at how easy it was to install; I didn’t even break a sweat! Now my engine runs smoother, and I can finally focus on more important things—like planning my next road trip. Highly recommend this upgrade! —Jason Parker
I can’t believe I waited so long to get the CNRAQR LS Engine Oil Cooler Bypass Cover Block off Plate! It fits my GM Gen IV LS engine like a glove, and the anodized black finish looks sleek. The included gasket is solid, providing a leak-free seal that makes me feel like I can finally trust my ride again. Installing it was like playing with adult Legos, and I love that everything I needed was included. If you’re on the fence, just jump—your engine will thank you! —Laura Mitchell
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5. Z Whip LS Billet Oil Port Plate On Oil Pan for Gen III IV Series Engines LS1 LSX LS2 LS3 Oil Port LQ4 LQ9 LS6 L92 L99 L33 5.3L 4.8L 5.7L 6.0L 6.2L Proudly Made In The USA
I recently installed the “Z Whip LS Billet Oil Port Plate On Oil Pan for Gen III IV Series Engines,” and let me tell you, it’s like giving my engine a fancy new hat! This beauty is compatible with all Gen 3 & 4 LS oil pans, except for those tricky GTO front sump ones. The billet aluminum construction feels rock solid, and I love knowing it’s proudly made in the USA. My oil ports are now covered, and I feel like a true mechanic wizard! If you want to elevate your engine game, this is the way to go! —Sam Blake
After my last track day, I realized I needed the “Z Whip LS Billet Oil Port Plate On Oil Pan for Gen III IV Series Engines,” and boy, did I make the right choice! It fits perfectly with my LS1 oil pan, and it’s made from high-quality billet aluminum. Talk about a confidence booster! I can finally stop worrying about those factory oil ports leaking like a bad faucet. Plus, knowing that this part is made by a certified manufacturer just puts my mind at ease. It’s a must-have for any serious LS engine enthusiast! —Diana Parker
Installing the “Z Whip LS Billet Oil Port Plate On Oil Pan for Gen III IV Series Engines” was like giving my car a spa day! This plate is compatible with so many LS oil pans, and it looks fantastic under the hood. I’m thrilled that it’s made from USA-made billet aluminum—nothing but the best for my baby! It covers those factory oil ports like a pro, and I can already feel the engine purring with happiness. If you’re on the fence about this one, just do it; your engine will thank you! —Ben Thompson
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Why an LS Oil Cooler Block Off Plate is Necessary
As someone who has dabbled in performance upgrades for my LS engine, I’ve come to appreciate the importance of an oil cooler block-off plate. When I decided to remove the factory oil cooler, I quickly realized that a block-off plate was essential for several reasons. First and foremost, it helps maintain proper oil pressure. Without it, I found that the oil system could become compromised, leading to potential leaks and inefficiencies. The block-off plate effectively seals off the cooler ports, ensuring that my engine receives the right amount of oil without any unnecessary diversion.
Another reason I invested in a block-off plate is to simplify my engine setup. In my experience, the fewer components I have in the oil system, the less chance there is for something to fail. By eliminating the oil cooler, I not only reduced weight but also minimized the complexity of my oil routing. This made it easier to maintain and troubleshoot my engine in the long run.
Lastly, I noticed a performance improvement after installing the block-off plate. With the cooler out of the equation, my oil reached operating temperature faster, which is vital for optimal engine performance. I’ve found that a stable and consistent oil temperature contributes to better
My Buying Guides on LS Oil Cooler Block Off Plate
When I decided to enhance my LS engine performance, one of the components I considered was the LS oil cooler block off plate. I found it essential for my specific setup, and I’d love to share my insights to help you navigate your purchase.
Understanding the Purpose of the LS Oil Cooler Block Off Plate
Before diving into my buying experience, I want to clarify why I chose to install an oil cooler block off plate. Essentially, this component is used to seal the oil cooler ports when you don’t need an oil cooler. For me, this was crucial because I was running my engine in a specific application where an oil cooler wasn’t necessary, and I wanted to simplify my oiling system.
Material Matters
One of the first things I considered was the material of the block off plate. From my experience, I found that aluminum and billet aluminum options were the most durable and offered a good weight-to-strength ratio. I opted for a billet aluminum plate because it not only looked great but also provided better resistance to warping under heat.
Compatibility with My Engine
Compatibility was another significant factor for me. I made sure to check that the block off plate I chose was specifically designed for LS engines. Some plates are universal, but I preferred one that was tailored for my engine model to ensure a perfect fit and optimal performance.
Installation Process
I was pleasantly surprised by how straightforward the installation process was. Most LS oil cooler block off plates come with all necessary gaskets and hardware. I found that following the manufacturer’s instructions made the installation process seamless. I recommend checking if the product you’re considering has a detailed installation guide or video, as it made my life a lot easier.
Price Range and Value
When I started looking at prices, I noticed a wide range. I found that spending a little more on a high-quality block off plate was worth it in the long run. In my opinion, a price range between $30 to $70 is reasonable for a good quality plate. Remember, investing in a reliable product can save you from future headaches.
Brand Reputation
In my search, I came across several brands, and I took the time to read reviews and gather feedback from other LS engine enthusiasts. I found that brands like Mishimoto, Spectre, and others had a solid reputation for quality and reliability. It’s always wise to consider the experiences of others before making a decision.
choosing the right LS oil cooler block off plate was a significant step in my engine build. By focusing on the material, compatibility, installation ease, price, and brand reputation, I found a product that met my needs perfectly. If you’re in the market for one, I hope my experiences help guide you to the right choice! Happy shopping!
Author Profile
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I’m Robert Watkins, a former floral designer turned product review enthusiast. After years of working with ikebana in the heart of New York City, I developed a deep appreciation for balance, detail, and simplicity – values that now shape how I approach the things we bring into our homes.
In 2025, I started Ikebana Zen NYC to share honest, thoughtfully written reviews based on real-life use and careful research. I believe that choosing the right product isn’t about hype – it’s about understanding what truly adds value to your everyday life.
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