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Stephen M

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Everything posted by Stephen M

  1. Good question...I've seen some very round-looking things come out of modern CNC milling machines without ever actually turning them on a lathe, but I can't imagine it would be accurate enough to meet desired bearing tolerances (especially at 16,000 rpm). If they do throw it on a lathe with an crank-length offset bracket as you suggest, they could dial down the cutting speed a ways to limit vibration, or mount some other offset weights on the crank temporarily to balance it. Of course, it's been over a decade since I've done any machining, so who knows what's possible now.
  2. There's a fairly extensive weight breakdown of the LSx engine components in this thread: http://forums.corvetteforum.com/showthread.php?t=984927 (scroll down a bit) Each weight # has a link to the source, it seems fairly thorough. -Stephen M
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