I've been lurking around for the past two years throughout a restoration of a 1983 Glassmaster Supreme (1983 Mercruiser Sterndrive 898R, 305 2bbl. Engine s/n: 6238904. 'R' Drive s/n: 6262040. Center rise 3" 15 degree exhaust, 140 degree thermostat).
BLUF: Question/sanity check request...Has...