And the answer is, No change. The air box was a pain to install, it would not go forward enough to fit the support bolts. The rubbers are soft and I lubed them generously. and finally pushed had enough to get it on.
What I have done so far.. cleaned the carbs twice, air screws 1 turn out, float bowl levels checked with the plastic tube method, acccel pump working, new spark plugs, Checked compression, 120, 120, 100, 120, Has electronic ignition, timing left as was, it ran at some time, checked valve clearances and probably more things that I do not remember. Checked for air leaks, none found.
No change at all from the first start up. Well maybe a little. Will start, easily, will idle about 1200 rpm, then rpm s go up to 2500. I loosen the idle adjust screw to get the rpm s back down then will not idle. I can maintain a prettty good idle with the throttle but it still revs up at will. From the beginning not much change.
If I set the idle screw to get it to idle at 1200 it will idle for a few seconds then rev up, if I set the idle screw low enough to keep it from revving it dies, I can keep it running with the accel pump though. When it is idling it sounds pretty good...for a few seconds. This is beginning to feel like a carb linkage problem???
I did not take the tops off the carbs or mess with the slides, have not synchronized the carbs. Suggestions, I am sure I am not the first one to have this problem.