Originally Posted by Quicksilvers

Having had a 19 row Mishimoto oil cooler back in the day the AN fittings were anything but durable they leaked and the sandwich plate leaked over time. I have had quite a few different brand oil coolers over the years and the out of all of them the only oil cooler that I installed on my Z that never leaked was the AAM Competition S-Line oil cooler and fitment was excellent. An oil cooler is there to do one thing and that’s lower your engine oil temperatures.