My one experience with Dougherty was when they charged me $960(!) to corner balance and align my old 911. I think they put the kid who sweeps up on it and just let him play with torsion bars all day on the clock. 
But if they have a Hammer and no one else does...
I've heard there's a Porsche shop in Malvern, but I don't know much about them.

But if they have a Hammer and no one else does...
I've heard there's a Porsche shop in Malvern, but I don't know much about them.