Well, unfortunately that will not be true MID SIDE.
I would try a simple stereo X/Y placement to maximize the pickup from the microphones. Position the microphones so that the image of the sound source is picked up similarly in time.
What are recording?
peace
mixwell
Adam Brass
Chief Assistant
Mercenary Audio
"this is not a problem"
TEL: 508-543-0069
FAX: 508-543-9670
adam@mercenary.com
Audio Gear Heaven