Yes, your rods can be modified for floating pins. I like bronze bushings, but others claim success without a bushing. Either way, it's not terribly expensive.
I've got KB hypereutectics, but haven't run it yet. As I recall, KB says they're okay to 450HP. And with a 455, I'm guessing you won't be zinging it to 7,000RPM or anything, will you?
I'm hoping to see the benefits of the close skirt-to-wall clearances, about .0025" in my case.
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Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons?
... or has built a record breaking DOHC hemi four cylinder Pontiac?
... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967)
... or has a Pontiac born the same year as Jim Wangers? (1926} 
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