nimh or lipo

[dinkey]

hi ,please could somebody tell me if it is possible to use a brushless combo set with nimh cells?? i have lots of good packs and cant fund a lipo yet?? also i have a b4 rtr, and a b3 ,i prefer the b3 , as it is faster, any tips on gearing with the radon motor you get in th rtr,thanks hope to hear from you gurus out their....