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					Originally Posted by blykins  Mark, just curious why you would say that?  Because it's a 3" journal?  I take 3" mains on BBF's to 8500-9000.  
 Although most guys are using 2.750" mains on Windsors these days, I would have no issue turning some rpm with a factory block either (until you make enough horsepower that the block destructs....)
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 The 3.000 Windsors get cap walk when you get much over 6,200. The Cleveland mains are fine....but it's no longer a Windsor block.