I also have a couple questions about the transmission. It's a th400, and its had some work done to it because it's barked 2nd gear pretty hard when I was on the gas. I got an adjustable shift modulator because some members of this site and I determined mine was bad causing a weird and premature 2-3 shift. I also got a new trans pan that hold an additional quart or two of fluid and has a drain plug.
So my question is this, do I pull it and have a trans shop go through it, or just do the modulator, trans pan, and stall converter and clean it up and paint?
It shifted fine before, and has never had any problems except the weird 2-3 shift when under WOT. It's gotta have a shift kit to bark the tires in 2nd right? This is something J really want from this build, to bark 2nd like it wants to rip the tires off. May be silly to some, but I'm still young and dumb and I love that 2nd gear bark

) Are there different types of shift kits? Firmness? Could mine be worn out or can they even wear out? I want the firmest one available I'm sure. Mine barked 2nd but not every time, could be because of the trans mount lol or lack there of.
Thanks fellas
Matt