Can Am BBC

[Carleen]

I can update that list.

Can-Am blocks 68/69 - Winters
# 0-294550 = 4.250" bore with steel liners (427 ci)
# 0-321270 = 4.440" bore with steel liners no fuel pump boss (430, 465 ci)
# O-326711 = 4.440" bore with steel liners (430, 465 ci)
# 3946052 = 4.440" bore with steel liners (430, 465 ci)
# 3946053 = 4.440" bore with steel liners (430, 465 ci)

Can-Am blocks 70/71 - Reynolds?
# O-399204 = 4.5" bore and steel liners (509 ci)
# O-495102 = 4.5" bore and no liners

ZL-1 Factory blocks - 1969 - Winters
# 3946052 (No 'O') 427 ci.
# 3946053 427 ci

ZL-1 Factory blocks - 1997 & up
# 3946053 (No 'O') 427 ci.

# 3992038 (O?) * may be 4.44" bore w/ Liners - era?.

# 3946052 Yenko Casting LC 427
# 3946053 Yenko - Casting has YENKO
# 3946053 Yenko - Casting has Y E N K O
# 394605Y Yenko - Casting has Yenko Crest Logo