[satanicmechanic]

I'm not sure. I'm not in that deep yet. Here's their websites if you want to give them a call.

http://www.ricksrotary.com/

http://www.prmotorsports.com/

Here's some more. I'm not sure if they do haltech's, but they do mazda's for sure. I'm sure one of them does more than just maintenance.

http://rotorsport2.com/ (Santa Clara)
http://www.mrmazda.com/ (Campbell)