Guest Posted March 5, 2002 Share Posted March 5, 2002 Will the brackets off of my olds 403 bolt up to an olds 455??? Link to comment Share on other sites More sharing options...
geno Posted March 6, 2002 Share Posted March 6, 2002 Some may require sloting of the holes. the 455 has a taller deck height. 400, 425, and<BR>455,s are considered big blocks. 260, 307,<BR>350, and 403 are considered small blocks.<BR>There is a 3 cu. in. overlap. Link to comment Share on other sites More sharing options...
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