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What will break first???

2K views 27 replies 13 participants last post by  killerformula 
#1 ·
I'm building a 383 sbc with a stock cast iron 400 crank. I have a 4 bolt block I can use or a two bolt and a set of splayed caps. My question is: Will the cast crank be the weak link before I hurt the factory 4 bolt block, or is the crank durable enough to justify spending the $350 to have the caps installed on the two bolt block?
 
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