I got your PM, but will answer it here...
First impressions are the range of motion is a little less than normal and I think you flipped the 30/70 dimensions when you did your math to determine if you needed a spacer.
It normally is around 0.877" and yours is only .769" (roughly 0.108" less). Did you have the bleeder assy installed and open when taking the measurements? If not, then the fully compressed number will be off because fluid will be trapped inside.
HTOB fully retracted should be very close to 2.776". Your measurement is: 2.630" which is about 0.146" shorter... This is where the .108" difference above is likely coming from.
HTOB fully extended should be very close to 1.899" and yours (1.861") is within about 0.038", which is good.
You want 30% of the range of motion for wear and 70% for clutch release.
Using my historical numbers, the ideal pressure plate fingers would be 2.776 - (0.30 * 0.877) = 2.513" +/- about 0.030. The spacer needed would be 2.513-2.158 = 0.355" +/- 0.030"
Using your numbers (which I think are suspect): 2.630 - (0.30 * 0.769) = 2.399". The spacer needed would be 2.399 - 2.158 = .241" +/- 0.30"
[This message has been edited by fieroguru (edited 07-08-2018).]