go with the .18 sirio man. i have one that just won me a two day race, with 5 pounds of mud on my t-maxx. its a awesome engine. i beat out some truggies on the straights, and a savage too. and are there any hop ups on the maxx? if so, its a great deal!


oh, and by the way, my avatar pic is wrong. my body is covered in 1 inch of mud, without half of the body missing.