Keep Your Cool

Mishimoto offers a bolt-in, high-efficiency radiator for the Focus ST

By Steve Turner
Photos courtesy of Mishimoto

Right off the dealer lot the Focus ST is one of the most fun cars Ford has ever offered. It offers a balanced package of power and handling that makes it a blast to drive on an autocross or road course. If you really beat on the car hard, however, temps will rise and the PCM will put things into limp mode and spoil the fun.

The solution is to bolster the car’s cooling system and the team at Mishimoto have developed a direct-replacement radiator upgrade (PN MMRAD-FOST-13;$660) that increases the cooling system capacity and efficiency.

“Our engineering team often tackles complex problems to provide ideal solutions for customers. This is true for all our product lines, across a broad range of vehicle makes and models. We are not strangers to Ford’s lineup of EcoBoost models, and our team is quite familiar with the issues that exist for each,” John Marsteller. Market Research Specialist at Mishimoto, explained. “In general, we’ve found that the stock liquid cooling systems are not handling the abuse from heavy-footed ST (Fiesta, Focus) and Mustang owners. Each model shows deficiencies in coolant heat transfer, rising oil temperatures, and power-crippling heat-soak.”

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