In a dyno cell, the charge air cooler has to do more than mimic a stock vehicle. It has to stay out of the way when airflow, boost, and heat load go way past stock. That is why we built a highly efficient, low-pressure-drop billet charge air cooler for Dyno Cell #2 with large inlets and outlets, reinforced construction, and a core layout that uses the available surface area effectively. On the water side, coolant passes through half the core, turns around, and comes back through the other half, giving us a two-pass cold side with a one-pass hot side. The reinforced billet body is built so it will not oil-can or blow apart under extreme boost. The result is a charge air cooling system that can support sustained high-horsepower testing and more complex setups, including compound turbo arrangements, without the intercooler becoming the limiting factor.
The discussion centers on a charge air cooling upgrade being implemented in Dyno 2. The goal is to support extremely high power levels with a cooling system that remains efficient, durable, and repeatable under controlled dyno conditions. Rather than treating the cooler as a simple add-on, the design is presented as a core part of the cell's airflow and thermal-management strategy.
The system uses a highly efficient, low-pressure-drop charge air cooler with large inlet and outlet passages. Those larger openings are designed to utilize the full available surface area on each side of the core, improving heat-exchanger effectiveness without introducing unnecessary restriction.
The emphasis is not only on cooling capacity, but also on maintaining airflow quality and minimizing pressure loss through the system.
The cooler incorporates structural reinforcement to prevent it from oil-canning or blowing apart, even if boost pressure reaches into the hundreds of pounds. That level of construction reflects its intended use in extreme engine-development environments rather than conventional street applications.
The body itself is billet, providing the strength and dimensional stability required for very high boost pressure and sustained dyno operation.
On the coolant side, water enters through half of the core, travels to a turnaround cap, and then returns through the other half.
This creates a two-pass arrangement on the cold side and a one-pass arrangement on the hot side. The configuration is intended to maximize heat transfer while maintaining an efficient internal flow path suitable for dyno-cell operation.
Using this core, the stated capacity is approximately 12,200 horsepower continuously in the dyno cell.
The important distinction is that this is presented as sustained capacity rather than a brief peak number. The cooling system is intended to support that level indefinitely under controlled conditions, making repeatable high-output testing possible without overwhelming the charge air cooling system.
A major advantage comes from the environmental control available within the dyno facility. Conditions can be manipulated closely enough to duplicate ocean-like cooling behavior, allowing the team to evaluate the charge air system under specialized and repeatable thermal conditions.
That level of control makes it possible to reproduce scenarios that would be difficult to maintain consistently during vehicle or outdoor testing.
The dyno setup can accommodate several different charge air cooling architectures. It can operate as a liquid-coupled air-to-liquid-to-air system and can also provide intercooling between the first and second compressors in a compound turbocharger arrangement.
This flexibility allows the same facility to support multiple advanced boosted-engine configurations rather than being optimized around one specific setup.
The ultimate goal is to remove charge air cooling capacity as a limiting factor in either dyno cell.
Once the upgrade is complete, the cooling system is intended to support extreme horsepower and compound-boost development without intercooler capacity becoming the bottleneck. That gives future engine programs room to push airflow, boost, and power farther while maintaining controlled charge air temperatures.
