Originally Posted by wstar

I kinda hope it's oil:water like that one post in the locked thread says, although it may be a relatively crappy oil:water unit though (as mentioned in the other thread, perhaps just water running through a filter adapter plate). We already have good aftermarket kits for add-on oil:air. The stock water cooling system seems to have more than enough excess capacity to help out, and it would reduce warm-up times as well.