that new era stuff is real nice!
i love that frame rail kit for the clod ... but would want to do the suspention and steering mods too, so i just stayed stock for now.
it's never going to be a savage!
i got the integy i-rock super class crawler instead for 250 $ to curb my urge to mod the clodbuster.

as for locking the diff ... there is now way it will change the speed of the truck.
just the speed you can stay in control of the corners ... if it ever did have any cornering abilities. lol