When our car went into limp mode, we actually did not have an oil cooler installed at that time. That is when we learned how important an oil cooler actually was on the 370Z.
Since the turbo charger builds up so much additional heat that is soaked up by the oil during lubrication, it will only further exagerate the issue that already exists with these cars. A 25 row may infact be suitable for your driving needs, but I would honestly be concerned about it since you are going FI. Drag racing will build up alot of heat in the engine quickly. The 1/4 mile sprint you will be doing will put a huge load on the engine. Follow this by a slow, short return lap to the pits and a lengthy wait in the staging area/lanes. Depending on the outside track temp at that time and engine/oil temps this may cause your engine temps to continue building.
You will need a core large enough to be able to control the oil temps during the 1/4mile sprint and be able to extract heat quickly once you get back to the staging areas sitting idle.
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