Being that the only thing contacting your bearings is oil, I would venture to say that they don't require a "break in". If anything other than oil contacts them, you get what the OP has.
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69 Judge convertible........clone! Carousel red, parchment, hideaways, TH400, 10" Continental 3200 stall, 12 bolt with 3.42, 469 c.i. with ported #48's, ported cast iron intake, Cliff's Q-Jet and ported 2-1/2" Ram Air manifolds.
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