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10-14-2008 10:27 AM
Thread: 402 Id help
by glennsexton- Replies
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3969854 block casting number belongs to a 402 Big...
3969854 block casting number belongs to a 402 Big Block produced between 70-72. 2 and 4 bolt had same numbers.
3975950 head casting number is for 396/427 produced between 68-70. It has 2.06/1.77...
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Neither, it’s in a friend’s hot rod and we’re curious
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