First off, Mac and his crew are awesome people. Second, they do amazing work. Third, they do quality work for a fair price. With those things out of the way I should say that Mac is extremely knowledgeable about cars, trucks and anything else he repairs. I have had all my vehicles work on at his shop, from brakes, smog, ignition work and he has nailed the problem the first time, every time. His pricing estimates are usually in point, unless he finds another issue but he calls you and makes you aware of said issue before just charging you. If you want quick, quality, professional work, then this is the place to go.