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Old 03-26-2012, 08:56 AM
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my87Z my87Z is offline
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Originally Posted by 327NUT
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.

wow i completely forgot about them, i gues they just are seen that much anymore, but of coarse even finding a 400 block today can be a feat.
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