Welcome to TR
I moved this thread to this tech forum so you can get some guidance.
Also check out our Shops thread which lists all the shops that have signed up here on TR. We also have a users review thread as well.
Good luck with the swap. I've seen a Monster Miata at Bradenton before but that was a couple of years ago. The guy could not get traction for anything. He did mention suspension work that had to be done as well. He put the Mustang engine in.
chi town brat
S Mod
If I remember correctly Driven Concepts is now closed.
PM John here on TR as he works for a shop that may be able to help.
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if you can only race me in a straight line then whats the point 
...91 SMF SCCA
http://www.flickr.com/photos/8341770@N07/5601083432/http://www.flickr.com/photos/8341770@N07/5601083432/ by http://www.flickr.com/people/8341770@N07/, on Flickr
I see people out there spending money on the car to improve it … If you spend half that effort just working on your driving skills, making you and the car work together as a team, then you’ll go faster – period. To make the car go a second faster on the track takes a lot more energy and money than making yourself drive it one second faster.
– the late Tom Thrash SCCA Solo E Production