Most people would buy this cooler because their OEM block will let them down, normally the plastic end tanks wear out. In my case, the cooling capacity of the normal radiator was simply not enough. After getting the ECT temp over 215 degrees in normal city driving, I had to increase the antifreeze. My car comes equipped with an aftermarket supercharger that effectively makes everything run hotter. After trying an oil cooler to cool down temperatures I had no choice but to buy this unit. Firstβ¦