try this motor(using tamiya plasma's)
 

This is a hot motor.Has anyone even tried this as a mod.
These wreak havok in large scale slot cars i am sure the are the same can size as the maribchi 190's

http://img158.exs.cx/img158/261/plasma2ze.th.png

Here is another.These are sought after motors enjoy.These are the mabuchi "can style"Originals. These friggin rock find them and you will know power!
http://img158.exs.cx/img158/72/ultradash7pk.png

Here is the cad diagram(note mabuchi text on the tamiya motor)
http://img158.exs.cx/img158/8553/ultradash27xi.png

Note: these can be obtained at a hobbytown usa store.My local HTUSA had the info on there PC. Check it out.I know radio shaQ
Has a blister pack with 5-7 motors availible but trust me these are not mabuchi caliber motors. Mabuchi motor contain ferroid magnets and high comp windings and high copper commutators.
These motors are the edge.I remember them well.

Here is a link to my personal homepage.All images a linked,the big image is a image map and that means you click direcly onto the part of the image you want to be linked to(to check it out further)
Have fun.
http://www.geocities.com/proob4/bobs.../bobspage.html
If my page is busy it is wise to check it in about a hour(it might be busy)

You're a year late.

lol. well ya he's right proob you are alittle 2 late. btw u cant run these with the stock fets

Sorry just trying to help.I dont really understand why the fets would matter.These motors draw to many amps?

Exactly.

Not only would you have to modify your board, you will have to modify the motor as well to get the best preformance(bearings & neo's magnets)

Notice he say's, "This is a HOT motor."
In Mini Z terms it means modified.
These things are horribly fast on a Tamiya 4WD slot chassis.