Hello I'm Tom and I own a 99 GP GT and it has 110k. I've replaced the whole suspension, brakes, battery with upgraded positive and ground cables along with upgraded ground to body and charging cable. I also have replaced all upper and lower manifold gaskets and changed to aluminum coolant passage elbows. This car is better than any post 2000 car I have ever owned and look forward to giving and receiving advice on repair and modification.