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I supported Toymods
Location:
Brisbane, QLD
Registered:
May 2002
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Re: How does the 7m-gte boost retard ??
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Wed, 27 November 2002 22:20
 
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Yeah, along the same lines of thought as GT, have a couple of questions.
1. Does the 7M-GE and 7M-GTE use the same AFM?
If they are the same, I am guessing the fuel and ignition tables for open loop operation are somewhat extended in the GTE (to facilitate the additional airflow) and as such, as GT was asking above, under no boost conditions, the relevant parts of the maps should be somewhat similar?
If that is not the case, if indeed the AFMs are different, then what you could possibly get is a scaling factor in action, where the 7M-GTE maps could be potentially the same size as the 7M-GE maps, but would be scaled to facilitate a higher range (at a lower resolution obviously). Even in this case, with the 7M-GTE ECU and a 7M-GTE AFM, wouldn't the relevant portions of the fuel/ignition maps be somewhat similar between the two?
Paul, under what conditions does the 7M-GTE ECU go into closed-loop (cruise) control? I was told that there is a pre-determined coolant temp it's looking for (possibly to make sure that the O2 sensor has sufficiently heated up?) and I was told that above 75% open throttle (WOT) the ECU goes off closed-loop. Does this mean that if the engine has been running for a few minutes and the throttle is below 75% open, the ECU runs in closed-loop?
Is the "Pump condition" enrichment also table based or is it just a "increase the fuel flow by x%" type thing? Under "pump condition" does the ECU use maps for ignition as well?
Cheers
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| | Subject | Poster | Date |
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How does the 7m-gte boost retard ??
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ed_ma61 | Wed, 27 November 2002 03:51 |
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Re: How does the 7m-gte boost retard ??
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SUPRAGTE | Wed, 27 November 2002 04:22 |
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Re: How does the 7m-gte boost retard ??
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inferno | Wed, 27 November 2002 13:36 |
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Re: How does the 7m-gte boost retard ??
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Norbie | Wed, 27 November 2002 04:33 |
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Re: How does the 7m-gte boost retard ??
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scottee78 | Wed, 27 November 2002 04:44 |
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Re: How does the 7m-gte boost retard ??
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Norbie | Wed, 27 November 2002 05:27 |
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Re: How does the 7m-gte boost retard ??
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scottee78 | Wed, 27 November 2002 05:40 |
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Re: How does the 7m-gte boost retard ??
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ed_ma61 | Wed, 27 November 2002 08:24 |
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Re: How does the 7m-gte boost retard ??
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SUPRAGTE | Wed, 27 November 2002 13:15 |
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Re: How does the 7m-gte boost retard ??
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ed_ma61 | Wed, 27 November 2002 13:41 |
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Re: How does the 7m-gte boost retard ??
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gianttomato | Wed, 27 November 2002 20:52 |
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Re: How does the 7m-gte boost retard ??
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humble | Wed, 27 November 2002 22:20 |
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Re: How does the 7m-gte boost retard ??
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Norbie | Wed, 27 November 2002 22:42 |
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Re: How does the 7m-gte boost retard ??
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gianttomato | Wed, 27 November 2002 23:05 |
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Re: How does the 7m-gte boost retard ??
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SUPRAGTE | Thu, 28 November 2002 12:19 |
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Re: How does the 7m-gte boost retard ??
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ed_ma61 | Thu, 28 November 2002 13:25 |
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Re: How does the 7m-gte boost retard ??
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SUPRAGTE | Fri, 29 November 2002 06:38 |
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Re: How does the 7m-gte boost retard ??
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ed_ma61 | Fri, 29 November 2002 12:32 |
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Re: How does the 7m-gte boost retard ??
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justcallmefrank | Sat, 30 November 2002 07:28 |
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Re: How does the 7m-gte boost retard ??
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SUPRAGTE | Sun, 01 December 2002 06:13 |
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Re: How does the 7m-gte boost retard ??
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Esteban | Mon, 02 December 2002 06:56 |
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Re: How does the 7m-gte boost retard ??
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SUPRAGTE | Tue, 03 December 2002 02:50 |
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Re: How does the 7m-gte boost retard ??
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1G-GTEFreAk | Thu, 02 January 2003 17:05 |
