Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Wanting to build a 406 sbc
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Old 03-25-2012, 11:38 PM
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Just to clarify, the '70-'71 or maybe even '72 400 sbc had 4 bolt mains and as mentioned in many other posts and forums are known to be weaker than the 2 bolt. Like said above if you want a nearly bullet proof lower end have billet steel splayed 4 bolt main caps installed.
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