 But, you know, the two of our guys in the shop have the 6.0s and they've had to do the same thing. They had to run the Ford cleaner in there. But that's really, if you've got time, sometimes, you know, time is money. But if it's your own time, it's a lot less because you're not spending the big dollars to put that cooler on there. But if you don't see the need for an updated cooler anyways on the vehicle, if it's running just fine stock, you might try the descaler and see what happens.