I have a 1776 that is quite similar, Tims stage 2 heads 42/37 valves, fK 8 10.5/1 compression, 1 5/8 header,48idas on short manifolds with 37 vents, f7 tubes,60 idles[65idles in winter when air is much better], 160mains 200 airs, runs pretty good, drive it daily 95% of the year, got about 8000miles on it now