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Boring out TB

  #1  
Old 08-09-2006, 05:59 PM
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Default Boring out TB

How far can a stock y8 TB be bored?

What is the process? Wouldn't you need a larger butterfly valve? It seems like this would be a simple task on a lathe...
 
  #2  
Old 08-10-2006, 08:20 AM
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Default RE: Boring out TB

I believe only about 2-3 mill. I you taper bored it and left original butterfly in you may be able to get it up to 60mm were it bolts up to the mani.
If I was you I would just get a 60mm one off a b series, then portmatch mani.
 
  #3  
Old 08-10-2006, 11:05 PM
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Default RE: Boring out TB

Ok, thanks.
 
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