disagreement but I need some mind melding here. when you say boost - am I to understand that you are actually saying above ambient (positive delta intake presure? If so we are totally together and I didn't answer Sully's question as clearly as I could have on this question. On some tests that I performed some years ago, I placed an extension potientiometer on the wastegate so that I could measure travel (position) of the wastegate as a function of manifold pressure Absolute and Delta P. We found it was unmoved until approximately approximately half the base boost was reached 0.18-25 bar BUT when installing plugs with 1.25 mm gap(actually up to 1.5 mm and different gaps in different cylinders) the gate started a jerky stutter just off of a positive boost of only .08-0.1 positive, This led us to a plug gap investigation vice wastegate position/ responses. A lot of questions were answered by this. FYI I don't know that Saab actually went this far in developing a trionics/DI ionization test at the factory but being an inquisitive type, I wanted the information fo my own use. Guess I just believe one is never smart enough to relax.

• engine missing(long), sully, Thu, 19 Jul 2001 12:36:32
  • Does this happen with A/C compressor off? Can you have your fuel, Daren, Thu, 19 Jul 2001 23:17:31
    • Re: Does this happen with A/C compressor off? Can you have your fuel, sully, Fri, 20 Jul 2001 09:41:32
  • Re: There are two sensors you haven't mentioned, aero guy, Thu, 19 Jul 2001 15:18:58
    • where's the block sensor?.., sully, Thu, 19 Jul 2001 15:27:58
      • Re: The sensor on the thermostat housing primary function is, Aero guy, Thu, 19 Jul 2001 15:44:43
        • Re: The sensor on the thermostat housing primary function is, sully, Thu, 19 Jul 2001 16:09:25
          • sorry one more thing, sully, Thu, 19 Jul 2001 16:23:23
            • Re: One thing I forgot to clarify is the only time all temp senso, aero guy, Thu, 19 Jul 2001 16:51:04
              • Re: One thing I forgot to clarify is the only time all temp senso, sully, Thu, 19 Jul 2001 17:19:14
                • Wastegate operation, BillJ, Fri, 20 Jul 2001 09:52:36
                  • Re: Wastegate operation, sully, Fri, 20 Jul 2001 16:09:11
                  • Re: Bill J, I under stand what you are saying and we aren't in, aero guy, Fri, 20 Jul 2001 13:43:27 <-- Viewing This Message
                    • Yes, that's what I meant by boost, BillJ, Fri, 20 Jul 2001 14:42:13
                      • Re: Bill, It appears to be just a pure function of the K factor, aero guy, Fri, 20 Jul 2001 15:59:13
                        • Thanks, AG. You are a mine of incredibly interesting information, BillJ, Fri, 20 Jul 2001 19:01:51
                • Re: You aren't wasting time you are going about it methodicly, aero guy, Thu, 19 Jul 2001 21:50:48
                  • Re: You aren't wasting time you are going about it methodicly, sully, Fri, 20 Jul 2001 09:06:16
                    • Re: From your data it must be around 21-22 C in your, aero guy, Fri, 20 Jul 2001 13:16:40
                      • Re: From your data it must be around 21-22 C in your, sully, Fri, 20 Jul 2001 16:11:30

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