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2001 duramax lb7 ported fuel rail fittings

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2001 duramax lb7 ported fuel rail fittings

  #11  
Old 08-06-2010, 02:49 AM
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what size drill bit was used? is it possible to bore out that bullet and the rail fitting?
 
  #12  
Old 08-06-2010, 08:04 PM
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.125"

you can bore them both out
 
  #13  
Old 12-22-2011, 06:03 PM
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i have a 04 lb7 federal emissions 2500 hd allison does my truck need it ihave put on a air dogtwo and put in 15%bigger injectors
 
  #14  
Old 11-26-2012, 11:32 PM
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OLD message, I know. Sorry.

But this is a terrific write-up! I did both of my fittings today and the low/mid-range power is definitely increased. Also she isn't sluggish like she used to be, throttle response is right there now.

Thank you for posting this 2500HeavyDuty!!!
 
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