Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

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Old Nov 25, 2010 | 12:05 AM
  #1  
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From: michigan
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I have a 96 6.5 and I want to get more out of it I have it straight piped and has a performance air filter on it but I want to get the most power out of it with out sacrificing reliability
 
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Old Nov 25, 2010 | 12:07 PM
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you can get a 1997 and up airbox that will provide the engine with a lot more cold air than your "perfromance" air filter. you can get a reprogrammed pcm from heath diesel, walking j designs or kennedy diesel. stay away from ss diesel supply. does your truck have a 4 inch starit pipe because they will flow a lot more than just the stock exhaust with the muffler and soot trap cut off.
 
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Old Nov 25, 2010 | 10:42 PM
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i have 3 inch exaust that will get done in the spring. i wanna put bigger injectors in it any ideas of good ones? and will the stock turbo put out 15 psi?
 
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Old Nov 25, 2010 | 11:16 PM
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bigger injectors won't do a thing the IP only going to put so much fuel
and if you want to run 15psi boost you going want to run 4" exhaust reflash puter and if don't puter will defuel you between 8 and psi also for more power get IP time to -1.94 and do OS bump but make sure you have boost and egt gauges
 
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Old Nov 26, 2010 | 12:18 AM
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Originally Posted by Crazy
bigger injectors won't do a thing the IP only going to put so much fuel
and if you want to run 15psi boost you going want to run 4" exhaust reflash puter and if don't puter will defuel you between 8 and psi also for more power get IP time to -1.94 and do OS bump but make sure you have boost and egt gauges
x2 if you get injectors dont get anything else beside genuine bosch or they might start leaking. have a injection shop set the pop pressure to 2100-2200 psi and make sure there they are all the same pressure
 
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Old Nov 26, 2010 | 08:19 PM
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ok so scratch the injectors put 4" on it reflash the cp get Injection pump time to -1.94 ok whats n os bump? and i have a moniter that tells me every thing.
 
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Old Nov 27, 2010 | 11:45 AM
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if you change timing you dont need to do a os bump
 
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Old Nov 27, 2010 | 06:38 PM
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ok thanks give me a week and i will let u know how it works
 
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