For all intent and purpose Project Farm Hog is done. I can't say finished. I've learned what most everyone here knows, you're never finished, but the plan behind the build is complete. Everything from here on out is a tweak or mod.
As I'd hoped, changing from 9t to 8t, for 9:1 ratio, on the driven sprocket allowed me to move the spring back to the center hole and get the overdrive back. Calculated top speed with 19' tires, 4000 rpm and overdrive ratio of 8:1 is 28 mph and I think I'm right around there. May buy comet driver and driven springs to play around with and see what effect it has on acceleration. Right now I'm pretty happy with the throttle response as is but there nothing to compare it to outside of my own testing.
I did re bathroom scale the bike 83 lbs. front 92.5 lbs. rear. with a half tank of gas.
I ran into a couple of small issues while putting the bike together. The driver weights had a 2 gram imbalance. one weighed 144g and the other 142g. Grabbed a small drill bit off of the work bench and that fixed that. The other issue was when I had put the 8t on when I was using the 60t rear sprocket. Did not notice at the time that the 420 master link was gouging into the driven pulley a little bit because of the smaller diameter of the sprocket. Used the carbide bit in the dremel tool to grind down the lip on the backside of the pulley to take care of that.
For the rest I bought a couple of 1" square plastic inserts to fit into the steering stops. 3/8" and 1/2" split wire loom to add some abrasion resistance to the hyd. brake line and wiring to the handlebars. Added some rubber coated 1 hole straps to hold the brake line in place, a little judicious use of some zip ties, and everything is good to go.
Oh, and I did manage to finish it for the 25th. Merry Christmas.

I hope everyone had a Merry Christmas and will have a Happy New Year.
P.S. I want to thank all the members here past and present whose knowledge I gleaned from reading hundreds of post's that helped make my build a relatively hassle free experience. As always any comments, questions, and criticisms are welcome.