5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

bore it or not?

  #11  
Old 01-15-2015, 08:34 AM
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its 4 cubic inch ... while yes there are some advantages to boring the motor it is just as easy to hit 900 hp with a std bore motor.
 
  #12  
Old 01-15-2015, 05:09 PM
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^ Like he said earlier, I would never trouble myself to bore a 12V unless it needed machine work in the bores for some reason already.
Making the power is easy. Holding it together with that power is more relevant, if only slightly.
 
  #13  
Old 01-17-2015, 12:11 AM
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Makes sense. Thanks guys
 
  #14  
Old 01-26-2019, 08:28 PM
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If a bigger bore is better how can I use my 6.7 short block with a 5.9 head?
 
  #15  
Old 01-27-2019, 06:22 AM
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You can't.
 

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