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Message: [QUOTE="Mishimoto, post: 1258700, member: 10602"] Very interesting information here. As noted below, we are going to take a look into this concern and see about developing a solution to the high temperatures. Thanks F150orelse! Some of the concerns regarding quality are likely attributed to our first generation 6.4L radiator. As you may know, the factory radiator equipped in the 6.4L is extremely prone to failure, which we initially attributed to the plastic material of the end tanks. We developed an aluminum counterpart to remedy the concern and many of our customers had great success with that product. With that in mind, we did have a few customers that continued to experience problems, even after switching to our aluminum radiator. We went into action quickly to perform testing and to determine the root of the issue. We made several modifications to our radiator design in order to improve isolation from the flex seen within the radiator support. The chassis flex causes the radiator to twist which in turn causes the end tanks to pull from the core, resulting in leaks. This is an isolated problem that only some 6.4L trucks will exhibit. Full details on what we did can be found within the article below. [url]http://engineering.mishimoto.com/2015/03/mishimoto-ford-6-4l-powerstroke-aluminum-radiator-version-2-details/[/url] Our new design features both improved isolation as well as a strengthened core. All customers who continued to experience concerns (with V1 radiator) were taken care of by our warranty team is the quickest manner possible. So far our customers have had fantastic success with our V2 design, we are very pleased with the outcome. Thanks again for the support! Interesting. Modern oils do tend to withstand higher temperatures prior to loss of viscosity, but I personally would not be very comfortable with temperatures in the 240’s or 250’s. Thanks guys! Unfortunately the sandwich plates we offer will not actually fit on the 6.7L oil filter housing. Hopefully I catch you before an order is placed. The 6.7L filter housing uses a 1”-16 thread, whereas our largest standard filter adapter is ¾-16. Our universal oil cooler can certainly be used in conjunction with -10AN lines, however an appropriate sandwich plate will need to be sourced in order to route oil properly. Definitely sounds like a project our team needs to tackle sooner than later. I will notify our team of the existing oil temperature concerns on ’15 models. Perhaps we can look into either developing a new sandwich plate or working on a oil cooler relocation setup. Thanks -John [/QUOTE]