B bigbad79 New Member Oct 9, 2004 #1 i was told the 400 is a big block but am pretty sure its closely related to the 351 which is a small block. so which is it? i prolly sound like a loser but i just dont know.
i was told the 400 is a big block but am pretty sure its closely related to the 351 which is a small block. so which is it? i prolly sound like a loser but i just dont know.
