can't sustain high boost with performance chip

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can't sustain high boost with performance chip Posted by jim (more from jim) on Wed, 24 Jul 2002 13:59:47

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I recently installed a performance DI/APC chip as well as a performance fuel chip from SPG9 on my 1991 9000 Turbo. After talking with the people at SPG9 I was expecting my boost to sustain halfway to 3/4 into the red. What I am getting is an initial boost about halfway into the red but then it immediately backs down to the area between red and yellow. On the highway in 5th gear if I hold the peddle down the boost will oscilate from halway into red back to between yellow and red and back up to halfway into red and back down to between yellow and red all the will I am keeping the gas peddle to the floor. Those of you with experience at upgrading the turbo boost, does this sound like a common situation that I can remedy?

Jim

posted by 67.37.199...

Posts in this Thread:

can't sustain high boost with performance chip, jim, Wed, 24 Jul 2002 13:59:47 <-- Viewing This Message
- Re: can't sustain high boost with performance chip, jim, Thu, 25 Jul 2002 09:23:14
  - Just meant BCP "7" R....., SteveW, Thu, 25 Jul 2002 09:59:52
- Had same problems......., SteveW, Wed, 24 Jul 2002 23:43:51
- Re: can't sustain high boost with performance chip, Vince, Wed, 24 Jul 2002 23:34:40
- Your making to hard, Brad, Wed, 24 Jul 2002 17:18:11
  - just like painting over rust..., kooch, Wed, 24 Jul 2002 18:03:04
    - Expanding on that analogy..., Eric van Spelde, Fri, 26 Jul 2002 05:18:43
    - You will only achieve your maximum potential, SteveY, Wed, 24 Jul 2002 18:49:51
      - actually, only by using an aftermkt ecu..., kooch, Wed, 24 Jul 2002 19:20:17
        You will see soon enough that when you start, SteveY, Thu, 25 Jul 2002 10:33:43
        Re: You will see soon enough that when you start, kooch, Thu, 25 Jul 2002 11:23:30
        Re: You will see soon enough that when you start, Ubipa, Thu, 25 Jul 2002 13:36:39
        You are missing the point!!, SteveY, Thu, 25 Jul 2002 13:22:46
        not really...., kooch, Thu, 25 Jul 2002 14:06:30
        Think you're missing the point here.., Aaron Gilbert, Thu, 25 Jul 2002 12:54:07
        not missing it...., kooch, Thu, 25 Jul 2002 13:09:50
        Question, Brad, Thu, 25 Jul 2002 13:42:57
        agree..., kooch, Thu, 25 Jul 2002 13:47:04
        I take no offense, Brad, Thu, 25 Jul 2002 14:33:10
        and that's what i'm talking about..., kooch, Thu, 25 Jul 2002 14:53:44
        Re: and that's what i'm talking about..., GM, Thu, 25 Jul 2002 16:29:44
        Re: and that's what i'm talking about..., kooch, Thu, 25 Jul 2002 19:52:25
        So, Brad, Thu, 25 Jul 2002 21:34:03
        Re: So, GM, Thu, 25 Jul 2002 21:47:32
        Re: So, kooch, Fri, 26 Jul 2002 01:48:40
        Re: So, GM, Fri, 26 Jul 2002 09:32:42
        check ur email...n/m, kooch, Fri, 26 Jul 2002 17:15:35
        My cars, Brad, Thu, 25 Jul 2002 22:41:20
        Now that's some numbers there! 251 to 291! n/m, Taylor, Thu, 25 Jul 2002 14:40:42
        Re: You will see soon enough that when you start, Vince T, Thu, 25 Jul 2002 11:43:48
        Hmmm..., SteveY, Thu, 25 Jul 2002 13:28:26
        Re: Hmmm..., Vince T, Thu, 25 Jul 2002 13:48:53
- the oscillating boost is what's key...., kooch, Wed, 24 Jul 2002 15:55:15
- spg9 finaly has fuel chips???, Robert, Wed, 24 Jul 2002 15:46:37
- The cycle of upgrading..., Jeff Cunningham, Wed, 24 Jul 2002 14:52:03
- Re: can't sustain high boost with performance chip, Stephen, Wed, 24 Jul 2002 14:43:14

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