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terrible mpg

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Old Sep 12, 2008 | 12:29 PM
  #11  
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1980blackfiveoh
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I first thought is the computer needs to be programmed to run with the supercharger. I'm not sure what work you have done to the computer but is sounds like a tuning issue.
 
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Old Sep 12, 2008 | 03:20 PM
  #12  
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don't you have to tune your pcm with a tuner? your doesn't it come with something to tell the computer that is runing a supercharger? did you reset the computer? I think RM-INDY will know something to help you
 
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Old Sep 12, 2008 | 11:15 PM
  #13  
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oh, wow if you havent tuned your pcm you have to. That is a must for installing a poweradder.
 
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Old Sep 13, 2008 | 01:26 AM
  #14  
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what do you guys mean by tuning the pcm? resetting it or i there something else?
 
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Old Sep 13, 2008 | 06:38 AM
  #15  
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I believe they are talking about something like a B&G flash or SCT tuner with a custom flash (tune) to handle the supercharger properly.
 
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Old Sep 13, 2008 | 07:00 PM
  #16  
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Ya, the computer must be going insane 'cause of lack of vacuum (no? yes?) I strongly recommend a reflash. The stock tuning can't even handle it's own potential, and a cheaper tuner can't reprogram for a cam, let alone a super.
 
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Old Sep 14, 2008 | 02:53 PM
  #17  
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Get an SCT tuner. By tune i dont mean a reset.You need a complete system tune to handle your blower. Cam, timing, psi, fuel injection..etc all have to be calculated and tuned for your blower to work at its maximum.
 
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