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I've used Hemi length rods with 451 pistons before. The math comes out close enough to give you zero deck. Not sure the extra effort was worth it though, these days I'd probably just buy a 3.75 crank and build an actual 451.



Andy , I remember that build , you used a 6.965 Manley rod, unfortunatley Manley doesn't make them anymore and neither does any other company. I wanted to do one of my 383's with the Diamond 1.320 pistons I have after reading up on that build and I can't find the rods , the only set I know of is not for sale.