Long Time Listener, First Time Caller.. 85' swap

[CanadianWayne]

Good day all.. at this point my eyeballs feel like they are bleeding due to the extensive thread reading.. I didn't want to bring another thread into the world regarding swaps but at this point I have no choice. I have a 1985 scottsdale 305/700r4 and have recently acquired a donor truck 1995 2500 c/k 5.7/4l60e (70k miles). I plan on using the stock harness and just thinning it out. I also want to keep the a/c functional. I do not want to alter my stock gauges so what is the best way to handle the VSS situation. You all are the gospel so i will follow your advice to the T. Thanks in advance!