You will be needing a lot more money then what you have budgeted...
Search on the forum as there are a lot of members that have done it...
Here are some:
http://www.toymods.net/forums/showthread.php?t=2354
http://www.toymods.net/forums/showthread.php?t=9489 (maybe an MX73 but similar process)
Cheers.
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