Thanks for the replies so far. I'm not running a lift yet or larger tires.What power brake add on is available? Do you think the front calipers, which could still be the originals,may not be operating at their best? After replacing the master cylinder I did get the most improvement so far and my thinking is that all that new hydraulic pressure is just not working on the calipers. <img src="/forums/images/graemlins/coolg.gif" alt="" />