Mike, where is the boss you mentioned? Not familiar with that part of the motor. I already know I’ll be removing the rocker arm assembly so I can replace a bent pushrod I discovered today, so I’ll be sure to throughly clean it.


Chuck
1950 Chevy 1/2 ton (all original)
1951 Chevy 1/2 ton (future streetrod)
1941 Chevy coupe
1938 Chevy coupe streetrod