Any ESC can use a 27T motor to my knowledge, unless you have one made back in the 70's. [&o]

[link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXAVJ2&P=ML]P2K2 Pro[/link] 28.99 @ Tower
[link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXAVJ1&P=7]P2K2[/link] 24.99 @ Tower

I recommend the monster stock pro myself, it packs more rmp for the straights.

[link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXDDA1&P=7]Monster Stock Pro[/link] 29.99 @ Tower
[link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXDDA0&P=7]Monster Stock[/link] 22.99 @ Tower

All of the above are 27T stock class motors that will work with any ESC. [8D]