That's actually my old car :D. I made it. With a P94 10x2 it went around 40, so I'm guessing it will go 45 with the 5300.
For the wing mounts, I used these:
http://www2.towerhobbies.com/cgi-bin...?&I=LXRB16&P=7
For wheels, I used these:
http://www2.towerhobbies.com/cgi-bin...?&I=LXMX91&P=7
I just used a XXX-4 body and wing, but the only thing is that you need to hack a hole in the body in order for the spur gear to fit. If you need any help on making your own, let me know.