1967 273 Engine w/ adjustable rockers, 4bbl

For now I will leave this conversation on the thread because of the good information. Everybody needs one of these:
https://www.walmart.com/ip/Ktaxon-2M-5-5mm-6-LED-Waterproof-Micro-USB-Mini-Endoscope-Borescope-Inspection-Camera-for-Android-PC/440576832?wmlspartner=wlpa&selectedSellerId=4647&adid=22222222227082639563&wmlspartner=wmtlabs&wl0=&wl1=g&wl2=c&wl3=196307541331&wl4=pla-315765693535&wl5=9018161&wl6=&wl7=&wl8=&wl9=pla&wl10=113943023&wl11=online&wl12=440576832&wl13=&veh=sem