Jim, that is helpful.
My point is made then: the subtle differences do not represent enough of a design difference to say this or that block is the capable 700+HP foundation.
Rather we're beyond the paltry 80's & 90's dreadblocks. IA2s, MR1s allow the CHOICE to build upon a stout block. Seems the Billet crank is also a CHOICE.
Looks to me : 700+HP builds WILL require ~$5000 in the Block&crank for some peace of mind.
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