Or you get that power billYou will know it’s working when all the street lights on your block dim..
Early 6.9 blocks had the cracking issuei have heard about the 6.9 block cracking around the area of the heater or was it the 7.3 can't remember
Thanks for the reassurances. I did have one that would over heat it and super pressurize things to the point of seeping coolant. might just have been oversized for the little 4.cyl. Time to get over the fear since I've had no issue thus far.