ok finally got back yo working on the demon installed new auto meter mechanical guage and test ran it in garage and it looks like it is going to be alot different in the readings just over 180 when it was closer to 215 with other guage looks like the other guage was way off!!will try to get it out on the road in the next couple of days if the rain will hold off so i can get an accurate test but it looks promising as of now will keep you posted on it . thanks for the help ozz