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Old 01-15-2005, 02:31 PM   #1
beautimus
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Join Date: Mar 2002
Location: woodstock, alabama, usa
Posts: 938
402 piston question

hey,
i just bought a 402 for my 71 truck from board member cadiac.
(excellent transaction by the way) and i have gotten it torn apart
and the piston tops have a dome to them. i am not a big block guy.
so i don't know, shouldn't they be flat? the motor was bored .030
so i know that they aren't the factory pistons. the tops of them are
raised up about 1/4" . if they were small block pistons i would assume that they were about 11 to 1 compression but with a big block, i just don't know.
any body know ?
Thanks, Tony
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