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Old 06-08-2013, 10:25 PM   #5

blake-b's Avatar
Drives: 2009 ZR1
Join Date: May 2010
Location: KCMO
Posts: 3,009
Technically true pontiac engines were neither small or big block. Like the lsx series, their external dimensions were the same. I believe the cranks had either small or large journals. If you are referring to a 396 chevy that gained 4ci to become 400 then I apologize for inserting trivia into the thread.
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