Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

RPM limits

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Old Feb 22, 2010 | 10:10 PM
  #11  
cfarley0210's Avatar
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From: oregon
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doesnt the lly or lbz turn some crazy rpm's? form the factory? i thought they redlined at like 4500 or 5000 for some reason. if they do just buy that year truck then you wont have to worry about it.
 
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Old Feb 23, 2010 | 09:56 AM
  #12  
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K50
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Joined: Dec 2008
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From: Alberta
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Theoretically they can rev that high, but the redline is set to 3400 on all Duramax's AFAIK.


Man those old 2-stroke detroits sounded so awesome... I'll have to youtube a d-max sled pulling at 4500rpm
 
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