17 of 17 for me. Though I did stare at the 389 one for about 5 minutes. The valve cover bolt pattern got it for me. Same as small block chevy. Four bolts.
1960 Pontiac Strato Chief Safari 1960 Laurentian Safari 1960 Laurentian 4door(scrapped) 2001 Grand Am Traded on a '96 Suburban 2WD 2002 Hyundai Accent(SOLD) 1968 Grand Parisienne Scrapped and SOLD