Building the Ultimate Honda CR-V: K-Swap Gets Complicated
With the Honda K24a2 hanging in the engine bay, now it's time for everything else, starting with the cooling and fuel systems along with a custom exhaust system.
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This transcript follows a major engine-swap project on a high-mileage 2000 Honda CR-V. Instead of repairing the failed automatic transmission after 400,000 km, the builders decide to transform the CR-V with a more powerful modern drivetrain.
Core Build Overview
The project involves:
- Swapping in a 200-horsepower Acura TSX K-series engine
- Pairing it with a manual AWD 5-speed transmission from a newer CR-V
- Using swap components from Hasport and K-Tuned
The creators explain that physically mounting the engine was relatively easy, but making everything function properly as a reliable daily driver became highly complex.
Cooling System Challenges
A stock CR-V radiator would not fit because the hose locations interfered with the new engine accessories. They solve this by:
- Installing a K-swap radiator from Coyo Radiator
- Customizing brackets and fan placement
- Testing intake manifold fitment to maximize clearance
They compare two intake manifold options:
- RBB manifold for low/mid-range torque
- RBC manifold for better top-end power
The RBC manifold ultimately provides better clearance and becomes the preferred solution.
Custom Plumbing & Accessories
A large part of the episode focuses on adapting:
- Radiator hoses
- Heater hoses
- Intake routing
- Power steering lines
The builders use a mix of:
- K-Tuned components
- Custom AN fittings
- Vibrant Performance hoses
- Parts from their “stash” of leftover components
They also relocate and redesign the power steering plumbing because the K-series engine layout differs from the original B-series setup.
Manual Transmission Conversion
Since the CR-V started as an automatic:
- The team must install a clutch pedal
- Remove the column shifter
- Modify pedal assemblies
- Adapt a clutch master cylinder
- Install a K-swap shifter setup
The shifter installation requires:
- Tunnel cutting
- Fabrication
- Spacers
- Custom trim adjustments
In the end, they manage to create a setup that looks nearly OEM while maintaining good ergonomics.
Drivetrain & Exhaust Issues
The AWD layout creates several unexpected complications:
- The stock driveshaft is slightly short, but they determine it still has enough travel to work safely.
- Standard K-swap headers interfere with the AWD drivetrain.
- They resort to a stock TSX exhaust header for clearance reasons.
The exhaust system ultimately requires:
- Full custom fabrication
- Re-routing around the driveshaft
- A custom 3-inch exhaust system
- A high-flow catalytic converter to keep the vehicle emissions-friendly
The builders describe the exhaust fabrication as an all-day process involving heavy trial and error.
Overall Tone & Conclusion
The episode emphasizes:
- Problem-solving
- Fabrication work
- Trial-and-error engineering
- Making a modern drivetrain work in a 25-year-old platform
By the end:
- Major mechanical systems are installed
- The custom shifter and drivetrain are functioning
- The exhaust is completed
- The next phase will involve creating a custom air-conditioning setup for the K-swapped CR-V
The project is portrayed as an ambitious but rewarding transformation of an aging SUV into a more modern, engaging, manual AWD performance daily driver.
Speed Academy is a website and YouTube channel based on making things go fast and enjoying cars. Peter Tarach and Dave Pratte are the forces behind Speed Academy.
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Is there a Slow Academy? I love going slow. Real tall cars for visibility and "handling" never enters into it.
So the ultimate Honda isn't built by Honda. This actually makes sense.