Here is how I mounted mine. Works great. It is the Summit kit. Be sure to use a large ground wire going to your engine up front too. I have a wire going from my engine to my front sway bar braket.
http://www.fbody.com/members/LarryS/battsetup.jpg
------------------
88 347, Twisted wedge heads,Comp Cams 224/230 cam, 1/4=10.718 @ 123.02 mph,dyno=
=http://www.fbody.com/members/LarryS/mustdyno.jpg