So how much does this really cool the oil?? Do you have an oil temp before and after? So it uses coolant to circulate around the oil filter, Is that enough to cool al the oil in the engine. If it does cool well, then it will be an excellent adition to my setup. I was planning on getting an external one that goes by the radiator, but if this does the job, sounds good to me. Keep us updated! Oh yeah, did you get it from the dealer, or somewhere else?