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Crossflow or vertical flow intercoolers: Which to choose?

May 25, 2016 by Greg

An intercooler helps to cool the compressed intake charge in turbocharged and supercharged engines. If you’re in the market to replace your current apparatus, you may be torn between a crossflow or vertical flow intercooler. Here, Advanced Radiators discusses the differences between the two:

Crossflow intercoolers
Because crossflow (or horizontal flow) intercoolers sit low in the opening of the front bumper, it is usually found in compact sports models. They are often mistaken for a traditional radiator due to the position they occupy on the vehicle — as a result, they are often not noticed by the untrained eye.
horizontal_flow_intercooler


The design of the intercooler means the air has further to flow. Therefore, more heat is rejected as the air spends a greater amount of time in the intercooler. You’ll need to get the balance right between heat rejection, flow restriction and pressure drop. The greater the pressure drop, the harder your vehicle has to work to overcome the resistance.

Vertical flow intercoolers
Unlike crossflow intercoolers, vertical flow intercoolers have shorter airflow paths. This means that the air can move more easily which, when teamed with the shorter distance, results in reduced heat rejection. However, the car doesn’t have to work as hard to overcome resistance to flow, as it can operate with a higher pressure drop.
vertical_flow_intercooler
While vertical flow intercoolers may seem like the obvious option, you should also consider that they require a lot of custom work to fit. This can be costly and may not be possible with some models.

Now that you know the difference between the two main types of intercoolers, you can decide which is the best for your vehicle. If you require further information about the coolers though, you should always contact a reputable retailer, who will be able to point you in the right direction.

Filed Under: General Automotive, Tuning

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