If you're a Jeep YJ owner looking to upgrade your engine, you might be wondering what the best engine swap is for your vehicle. With so many options available, it can be overwhelming to decide which one is right for you. That's why we've put together this guide to help you narrow down your choices based on a few key points.
First, consider what you want to achieve with your engine swap. Are you looking for more power, better fuel efficiency, or both? This will help you determine which engine will best suit your needs.
Next, think about your budget. Engine swaps can be expensive, so you'll need to decide how much you're willing to spend. Keep in mind that the cost of the engine itself is just one part of the equation; you'll also need to factor in the cost of installation, any necessary modifications, and ongoing maintenance.
Another important factor to consider is compatibility. Not all engines are compatible with all Jeeps, so you'll need to do some research to make sure the engine you're considering will work with your YJ.
Finally, think about the level of difficulty involved in the swap. Some engines are easier to install than others, so if you're not experienced with engine swaps, you may want to choose an option that's more beginner-friendly.
By considering these key points, you'll be well on your way to finding the best engine swap for your Jeep YJ.
10 Best Engine Swap For Jeep Yj
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1. Opl Hpr076 Aluminum Radiator For Jeep Wrangler Tj/yj (Chevy V8 Swap)
The OPL HPR076 Aluminum Radiator is designed for Jeep Wrangler TJ/YJ models that have undergone a Chevy V8 engine swap. This radiator is ideal for those who want to upgrade their vehicle's cooling system to handle the increased power and heat generated by the V8.
This radiator has an inlet size of 1.5 inches and an outlet size of 1.75 inches, with three rows to ensure optimal cooling performance. The core size measures 17.5 inches by 18.25 inches by 2 inches, while the overall size is 26 inches by 19 inches by 5.25 inches. These dimensions make it a perfect fit for 1992-2006 Jeep Wrangler TJ models with an automatic transmission, as well as 1987-1991 Jeep Wrangler YJ models with a manual transmission.
Constructed from high-quality aluminum, this radiator is built to last and can handle the demands of extreme off-road use. Aluminum is known for its superior heat dissipation capabilities and is also lightweight, making it an ideal material for a high-performance radiator. The OPL HPR076 radiator also features a 10-year manufacturer warranty, providing peace of mind and assurance that the product is of the highest quality.
Installation of the OPL HPR076 Aluminum Radiator is straightforward and requires no modifications to the Jeep's existing cooling system. This radiator provides a direct fit replacement for the original radiator, making it an easy upgrade for those who want to improve their vehicle's performance.
In summary, the OPL HPR076 Aluminum Radiator is an excellent choice for Jeep Wrangler TJ/YJ owners who have undergone a Chevy V8 swap. With its superior cooling performance, durable aluminum construction, and direct fit replacement design, this radiator is a must-have for those looking to upgrade their vehicle's cooling system. The 10-year manufacturer warranty also ensures that the product is of the highest quality and will last for years to come.
2. Primecooling 4 Row Aluminum Radiator Kit For Jeep Cj Series With Gm Chevy Engine Swap (1972-86) Including 2×12" Fans And Shroud.
The Primecooling 4 Row All Aluminum Radiator +2X12" Fan +Shroud for Jeep CJ Series CJ5 CJ6 CJ7 w/GM Chevy Engine SWAP 1972-86 is a high-quality cooling solution designed to fit perfectly with 1972-1986 Jeep CJ Series CJ5 CJ6 CJ7 models that have undergone a GM Chevy Engine conversion. This radiator fan assembly kit is compatible with all 4Cyl 6Cyl 8Cyl engines, ensuring a perfect fit for almost any Jeep CJ model.
Crafted using premium-quality materials and advanced manufacturing techniques, this radiator fan assembly kit delivers superior performance and durability. The 100% brazed aluminum core is TIG-welded to aluminum end tanks, ensuring maximum strength and durability. The use of nitrogen during welding in the furnace further enhances the strength of the core, making it highly resistant to damage and wear.
One of the key benefits of this radiator fan assembly kit is its exceptional cooling performance. Featuring a 4-row design radiator and an upgraded engine fan set, this kit can improve engine cooling efficiency by up to 35-45%, reducing engine temperatures and enhancing overall performance. This makes it ideal for use in high-performance applications where heat management is critical.
Installation of this radiator fan assembly kit is fast and straightforward, thanks to its direct bolt-on OE fitment design. The kit is designed to be a replacement for the factory unit, ensuring a perfect drop-in fit. To ensure maximum compatibility, the kit is vehicle test-fitted prior to market release, ensuring that it fits perfectly with the Jeep CJ models it is designed for.
In addition to its exceptional cooling performance and ease of installation, this radiator fan assembly kit also comes with all the necessary fittings to get you up and running quickly. It includes a high-pressure cap and brass drain petcock, as well as a built-in trans oil cooler that fits both auto and manual transmission models.
In summary, the Primecooling 4 Row All Aluminum Radiator +2X12" Fan +Shroud for Jeep CJ Series CJ5 CJ6 CJ7 w/GM Chevy Engine SWAP 1972-86 is an outstanding cooling solution for Jeep CJ owners who have undergone a GM Chevy Engine conversion. With its exceptional cooling performance, high-quality craftsmanship, and straightforward installation, this kit is an excellent choice for anyone looking to keep their Jeep running cool and performing at its best.
3. Jeep Polyurethane Motor Mounts For 4.0l 6 Cyl. Engine, Fits 1986-2006 Comanche, Tj, Xj, Yj 2/4wd. Made In America, Kj01004bk.
The Daystar Jeep Polyurethane Motor Mounts are specially designed for use with the 4.0 liter 6-cylinder engine in Comanche, TJ, XJ, and YJ 2/4WD models manufactured between 1986 and 2006. Made in America, these motor mounts feature heavy-duty steel construction that is fully welded and interlocked to provide superior strength and durability.
One of the key benefits of these motor mounts is the special polyurethane blend that is used to isolate the motor. This helps to reduce the power loss that is typically experienced with traditional motor mounts, allowing your Jeep to perform at its best.
The Daystar Jeep Polyurethane Motor Mounts are designed to be a direct replacement for your original motor mounts, making installation quick and easy. With their high-quality construction and superior performance, these motor mounts are a must-have for any Jeep enthusiast who wants to get the most out of their vehicle.
In addition to their performance benefits, these motor mounts also feature a sleek black finish that will complement the look of your Jeep. Whether you're hitting the trails or cruising down the highway, these motor mounts will provide the support and stability your engine needs to deliver reliable performance.
Overall, if you're looking for a high-quality motor mount that is designed to withstand the rigors of off-road driving while also providing superior performance and power, the Daystar Jeep Polyurethane Motor Mounts are an excellent choice. With their heavy-duty construction, special polyurethane blend, and easy installation, these motor mounts are a must-have for any Jeep owner who wants to take their vehicle to the next level.
4. Trans-Dapt 4100 Engine Swap Motor Mount Kit
The Trans-Dapt 4100 Engine Swap Motor Mount Kit is an innovative solution designed to simplify engine swaps. This package offers a comprehensive set of components that allow you to replace your old engine with a new one with minimal hassle. The kit comes with all the necessary hardware, including bolts, washers, and mounting brackets, to ensure a secure and stable installation.
One of the standout features of this kit is its vehicle-specific design. The Trans-Dapt 4100 Engine Swap Motor Mount Kit is tailored to fit specific makes and models of vehicles, so you can be confident that the installation will be seamless and hassle-free. This kit is compatible with a wide range of vehicles, including trucks, SUVs, and passenger cars.
The package dimensions of the Trans-Dapt 4100 Engine Swap Motor Mount Kit are 9.652 H x 21.843 L x 29.972 W (centimetres), and it weighs 11.3 pounds. This compact size and weight make it easy to transport and store, and the package is designed to protect the components from damage during transit.
The Trans-Dapt 4100 Engine Swap Motor Mount Kit is made in the United States, ensuring high-quality manufacturing standards and materials. The kit is constructed from durable and robust materials that are built to last, and it is engineered to withstand the rigors of long-term use.
In summary, the Trans-Dapt 4100 Engine Swap Motor Mount Kit is an essential tool for anyone looking to replace their engine. Its vehicle-specific design, comprehensive hardware package, and durable construction ensure a reliable and stress-free installation process. Whether you're a professional mechanic or a DIY enthusiast, this kit is an excellent investment that will save you time and money in the long run.
5. Ozcoolingparts Aluminum Radiator With Fan & Kit For Jeep Wrangler (1987-2006)
The OzCoolingParts 3 Row Core Aluminum CU2101 Radiator with 16" Fan(160W) w/Shroud + Relay Wire Kit is a high-performance cooling system designed for 1987-2006 Jeep Wrangler YJ TJ models with 2.4L, 2.5L, 4.0L, and 4.2L, L4 L6 engines. It features a full aircraft AA5052 grade aluminum construction that provides durability and excellent heat dissipation.
This radiator kit includes a 16-inch 160W radiator engine cooling electric fan and a shroud for optimal cooling performance. The shroud helps to direct the air flow through the radiator, and the fan is designed to increase air flow over the radiator, ensuring that the engine stays cool, even in hot weather conditions.
The OzCoolingParts radiator boasts an extra high cooling capacity, improving cooling by 35-45% temperature. It also has a built-in transmission cooler, which adds further protection to your engine.
The innovative engineering, manufacturing technology, and quality control of this radiator ensure that it exceeds the performance of the original equipment it replaces. The advanced welding craftsmanship and CE approval make it a reliable and safe choice for your vehicle.
Before purchasing, it is essential to check the vehicle fitment to ensure that this radiator is compatible with your Jeep Wrangler YJ TJ 1987-2006 2.4L & 2.5L & 4.0L & 4.2L, L4 L6 Auto Engines.
With fast shipping from the USA warehouse, this radiator kit will be shipped out within one business day. Under normal circumstances, it will be delivered within 3-5 working days. Do not hesitate to get your hands on this high-performance cooling system for your Jeep Wrangler YJ TJ.
6. Coolingcare Radiator For 1987-2006 Jeep Wrangler Yj Tj Unlimited, All Aluminum 3 Row Core Radiador
The CoolingCare Radiator for 1987-2006 Jeep Wrangler YJ TJ Unlimited is a high-performance cooling solution that ensures optimal engine temperature in tough off-road conditions. This radiator features a robust all-aluminum construction with a 3-row core design, which offers better heat dissipation and greater heat and pressure tolerance compared to traditional copper-brass radiators.
The core size of the radiator is 18’’ x 20’’ x 1.73’’ with an overall size of 23’’ x 25.9’’ x 3.6’’. It has a 1.25’’ top INLET at the passenger side and a 1.5’’ bottom OUTLET at the driver side. The build-in trans oil cooler with details of ￠26×305×M16*1.5 is designed to keep transmission oil cool under extreme conditions.
CoolingCare Radiator has undergone repeated pressure and leaking tests to ensure hassle-free installation. It is a direct-fit replacement for the OEM radiator and requires no modifications to the vehicle's cooling system. The radiator is designed for 1987-2006 Jeep Wrangler YJ TJ Unlimited and is compatible with both manual and automatic transmissions.
The radiator's all-aluminum construction provides several advantages over traditional copper-brass radiators. Aluminum radiators are more resistant to corrosion, which is a common issue in off-road environments. They also have a higher heat transfer coefficient than copper-brass radiators, which means they can transfer more heat from the engine to the coolant.
The CoolingCare Radiator is an excellent upgrade for Jeep owners who demand high-performance cooling solutions. It provides better heat dissipation and greater heat and pressure tolerance than traditional radiators. The build-in trans oil cooler is an added feature that ensures optimal transmission oil temperature, making it an excellent choice for off-road enthusiasts who put their Jeep to the test in challenging environments.
7. Aluminum Radiator With Fan Shroud & Relay For Jeep Wrangler Tj Yj Gm Chevy V8 Conversion.
The HonorPower 4 Row Core Aluminum Radiator is an excellent choice for owners of 1987-2006 Jeep Wrangler TJ YJ GM Chevy V8 Conversion vehicles who require improved cooling performance. This product comes complete with a fan shroud and relay, making it easy to install and operate.
Constructed entirely of high-quality aluminum, this radiator provides superior heat and pressure tolerance, improved cooling efficiency, and greater structural rigidity. It is at least 40% more efficient than the stock radiator that comes with the vehicle. The use of aluminum also means that this radiator is lighter than other radiators, making it a direct bolt-on OE fitment or replacement for your vehicle.
The core size of this radiator is 18 1/2 inches tall by 20 1/8 inches wide, while the overall size is 23 3/8 inches tall by 25 3/4 inches wide. The upper hose connection on the left side of the radiator measures 1 1/2 inches, while the bottom hose connection on the right side measures 1 3/4 inches. These dimensions make it easy to fit this radiator into your vehicle's existing cooling system.
It is important to note that installation instructions are not included with this radiator. Professional installation is highly recommended to ensure that the radiator is installed correctly and operates safely. Once installed, the HonorPower 4 Row Core Aluminum Radiator will provide reliable and efficient cooling for your vehicle, even under the most demanding conditions.
Overall, the HonorPower 4 Row Core Aluminum Radiator is an excellent choice for anyone looking to upgrade their 1987-2006 Jeep Wrangler TJ YJ GM Chevy V8 Conversion vehicle's cooling performance. Its high-quality construction, superior cooling efficiency, and easy installation make it a smart investment for anyone who wants to keep their vehicle running smoothly and reliably.
8. Aluminum Radiator For Jeep Wrangler Tj Yj 1987-2006, 3 Rows, Fits 2.4, 2.5, 4.0, And 4.2 Engines.
The COOLINGBEST Aluminum Radiator is a high-quality product designed specifically for the 1987-2006 Jeep Wrangler TJ, YJ with 2.4, 2.5, 4.0, and 4.2L engines. This radiator is a direct fit for your Jeep and offers a drop-in precise fitment, which makes installation easy and hassle-free.
With a core size of 18.11"H x 20"W x 1.73"T and overall size of 25.78"L x 22.83"W x 3.54"T, this radiator is designed to provide excellent cooling performance for your Jeep. The inlet and outlet of this radiator are 1.26" and 1.5", respectively. The trans cooler specifications are φ26*305*M16*1.5(Z).
This radiator is a direct OE replacement and is manufactured to meet or exceed OEM specifications. The COOLINGBEST Aluminum Radiator is made of high-quality aluminum, which ensures maximum durability and heat dissipation.
The COOLINGBEST Aluminum Radiator is available for fast fulfillment and delivery. The product will be shipped out within 1 day from NJ or CA. Under normal circumstances, the product will be delivered within 3-5 business days. The manufacturer warranty for this product is 1 year.
In summary, the COOLINGBEST Aluminum Radiator is an excellent choice for Jeep Wrangler TJ, YJ owners who need a reliable and durable radiator that provides excellent cooling performance. With its easy installation, direct OE replacement, and fast fulfillment and delivery, this product is an excellent value for money.
9. 4 Row Aluminum Radiator For Jeep Wrangler Yj/tj Chevy V8 Conversion
The CW-AutoParts 4 Row Core Aluminum Radiator is a high-quality replacement option for the 1987-1995 Jeep Wrangler YJ and 1997-2002 Jeep Wrangler TJ with Chevy V8 engine conversions. This radiator is made of full T-6061 aluminum construction and has been 100% inspected and tested for quality assurance.
The core size of this radiator is 17-1/2'' H x 18-1/4'' W x 2-1/4'' T, while the overall size is 18-1/4'' H x 22-1/4'' W x 3'' T. It has an inlet/outlet size of 1-1/2'' / 1-3/4'' and a trans cooler size of 26×250×M16 x 1.5(Z). The high-performance racing design of this radiator improves cooling by 30% Temp, making it a reliable option for those who want to ensure their engine stays cool during operation.
It is important to note that this radiator will not work for the original L4 and L6 engines. The CW-AutoParts 4 Row Core Aluminum Radiator is designed specifically for Chevy V8 engine conversions in Jeep Wrangler YJ and TJ models.
This radiator is a vehicle-specific fit and comes with part number CW-AutoParts-0014-3. It is a durable and reliable option for those who want to upgrade their radiator for improved engine performance and cooling. With its high-quality construction and performance-enhancing design, the CW-AutoParts 4 Row Core Aluminum Radiator is a top choice for Jeep Wrangler enthusiasts.
10. Aluminum Radiator For 1972-1986 Jeep Cj5/cj6/cj7 With V8 Conversion. Suitable For Gm/chevy V8 Engine Swap.
The LUXERAD 3 Rows Core Aluminum Cooling Radiator is a high-quality product designed to fit 1972-1986 Jeep CJ5 CJ6 CJ7 V8 Conversion Chevy Engine vehicles. This radiator boasts an overall size of 22" *27" (including the inlet outlet) and has three rows of aluminum cores that provide superior cooling performance.
The inlet and outlet sizes of the radiator are 1.5"/1.77" (38/45mm), making it compatible with a variety of different applications. The transmission cooler is also included, with a size of ￠38*215*G1/4（Z）, making it suitable for use with both automatic and manual transmissions.
It's worth noting that this radiator is designed specifically for GM/Chevy Conver. V8 Engine SWAP only. This means that it's not compatible with other engine types, so it's important to double-check before making a purchase.
The LUXERAD 3 Rows Core Aluminum Cooling Radiator comes with a 12-month warranty for added peace of mind. It's stocked in the US, ensuring quick and efficient shipping to customers across the country.
Overall, this radiator is a reliable and high-performance option for those looking to upgrade their Jeep CJ5 CJ6 CJ7 V8 Conversion Chevy Engine. Its durable construction and efficient cooling capabilities make it a standout choice for any vehicle owner looking to keep their engine running smoothly.
Best Engine Swap For Jeep Yj FAQs
How does the performance and fuel efficiency of a Jeep YJ change after an engine swap?
The performance and fuel efficiency of a Jeep YJ can be improved after an engine swap, depending on the type of engine installed. A properly executed engine swap can increase horsepower and torque, resulting in better acceleration and towing capabilities. A more fuel-efficient engine can also be installed, leading to better gas mileage.
However, if the new engine is not properly matched to the vehicle or is not tuned correctly, it can negatively impact performance and fuel efficiency. Additionally, heavier engines or those with more horsepower may require modifications to the suspension, brakes, and drivetrain to handle the added power and weight.
Overall, the performance and fuel efficiency of a Jeep YJ after an engine swap will depend on the quality of the swap and the specific engine chosen. Professional installation and tuning are essential for achieving the best results.
What are the benefits and drawbacks of each engine swap option for a Jeep YJ?
The benefits of engine swaps for a Jeep YJ include improved horsepower and torque, better fuel efficiency, and increased reliability. The drawbacks, however, include higher costs, more complicated installation, and potential compatibility issues.
Swapping in a V8 engine, such as a Chevy 350, offers significant increases in horsepower and torque, but also requires extensive modifications to the chassis and drivetrain. A 4.0L Jeep engine swap, on the other hand, is a relatively straightforward option that maintains compatibility with the original transmission and drivetrain, but may not provide as much power as a V8 swap.
Another option is to swap in a diesel engine, which can provide increased fuel efficiency and torque, but may require more specialized knowledge and parts. Ultimately, the best engine swap option for a Jeep YJ depends on the owner's specific needs and preferences.
What are the most popular engine swaps for a Jeep YJ?
The most popular engine swaps for a Jeep YJ include the GM LS V8 engine, the Ford 5.0 V8 engine, and the Jeep 4.0 inline-six engine. The GM LS V8 is a popular choice due to its power and availability, as well as the ability to easily integrate it into the YJ's existing drivetrain. The Ford 5.0 V8 is another popular option, known for its reliability and power. The Jeep 4.0 inline-six is a common swap for those looking to keep their YJ's engine in the Jeep family, and it provides a good balance of power and fuel efficiency. Other engine swaps that are occasionally done include the Chevy 350 V8 and the Cummins 4BT diesel engine. Ultimately, the choice of engine swap will depend on personal preference, budget, and intended use for the Jeep YJ.
What is the cost of swapping engines in a Jeep YJ and is it worth it?
The cost of swapping engines in a Jeep YJ can vary depending on the type of engine being installed and the level of customization required. A standard engine swap can cost anywhere from $3,000 to $6,000, while a more complex swap with custom features can cost upwards of $10,000. It is important to consider the cost of installation, parts, and labor when deciding if the swap is worth it.
Whether or not it is worth it depends on the reason for the swap. If the current engine is failing or not meeting the desired performance, then a swap may be worth it. Additionally, if the swap is being done to increase the resale value of the Jeep, it can be a worthwhile investment. However, if the swap is being done purely for cosmetic reasons, it may not be worth the expense. Ultimately, the decision to swap engines should be based on individual circumstances and needs.
What modifications are necessary when swapping engines in a Jeep YJ?
When swapping engines in a Jeep YJ, several modifications are necessary. Firstly, the engine mounts need to be changed to fit the new engine. Secondly, the transmission may also need to be changed or modified to match the new engine. Thirdly, the exhaust system may need to be modified or replaced to fit the new engine. Fourthly, the cooling system may need to be upgraded to accommodate the new engine's heat output. Fifthly, the electrical system may need to be modified to accommodate the new engine's sensors and wiring. Finally, the driveshaft and differential gearing may need to be changed to match the new engine's power output. It is essential to consult with a professional mechanic before undertaking an engine swap to ensure that all modifications are made correctly and safely.