^^^^ See her other thread. Botched oil cooler, oil in coolant and vice-versa. Mechanic not seeing connection between diluted oil and performance (HPO) problems. Probably needs serious coolant flush and multiple oil changes. (And yes, I'd even do the Bill Hewitt and siphon out the HPO res....)
Here is a very short list of some members that used to be in your area. This list is old and I mean old and hasn't been updated in a very long time. You might try contacting them and see if they can help you in finding someone to give you a hand.