It is not as fully capable off road as the Firestorm. If you'd done your research you'd know that the diff gear in the Speed-T is different, and has no space to fit balls in it hence it is a different part number and is called a locking diff gear as opposed to a diff gear. You need a new diff. End of.
You are just biased against it so will say whatever you want to sort of fit your point. Much like your esavage is better than the emaxx arguments its all clouded in opinion with nothing factual to back it up.
Ironic, isn't it. You do exactly the same as I've just demonstrated above. Welcome to hypocrit country, population = you.