Damn fine thread. Just finished 75 pages. I have taken my original build thread car (over on Corral) and decided it had gotten out of hand as well for the chassis it is. So I did as you did, bought another car to build into more track oriented race car that can be driven on the street.
Reading through yours, I find tons of stuff I am already looking at. Like the solid state disconnect setup (with dual switches), the Leash Street/Strip board, and what looks like is the wiring harness kit from
https://precisionfabandwire.com/main.sc , narrowed rear (mine is 48' flange to flange) with Billet Specialities 15x12 & 5.5bs though, on board air system, and other stuff.
Once I get my car out of the chassis shop, and I can get home to work on it I may need to start a build thread over here instead. Corral is dead!