you
Active Member
whats the best way to determine if a 727 is for a b.b or a s.b. any one have a site where i can docode a mid 80s to prsent trans. thanks for any help
361, 383, 400, 413, 426, 440 = Big Block
273, 318, 340, 360 = Small Block[/QUOTE
Don't forget the 350 big block. But I bet you won't see a lot of those.