On another note, the 69 Service Manual states that the intake manifold water outlet fitting bolts should be torqued to 30 FT-PD Seems pretty excessive to me. I found a lengthy discussion on the forum: https://firstgenfirebird.org/forums/ubbthreads.php?ubb=showflat&Number=252341&Searchpage=2&Main=28866&Words=%22thermostat%22&Search=true#Post252341