Take a look at the following threads from our sponsor section. It should give you a general idea of what works with what. All 3 are capable of 400's on pump gas and stock sleeves. If you have any specific questions, please feel free to ask, it's what we are here for.

http://www.importatlanta.com/forums/...-E85-Dyno-Tune
http://www.importatlanta.com/forums/...-Gas-Dyno-Tune
http://www.importatlanta.com/forums/...-E85-Dyno-Tune