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sdsetup [2010/11/14 08:45]
twdorris
sdsetup [2012/12/26 15:49]
twdorris
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 **__RUNNING WITHOUT AN IAT SENSOR__:** You can run speed density reasonably well without an IAT sensor at all if you have to.  It is absolutely better to have one, no question about it.  But if you find yourself in the situation where you simply can't get an IAT sensor installed but you need to enable speed density operation anyway, go ahead. ​ Just make SURE you go into the Direct Access tab and zero out the **SDTempWeighting** table. ​ Doing so basically tells the ECU to ignore the IAT input when running SD. **__RUNNING WITHOUT AN IAT SENSOR__:** You can run speed density reasonably well without an IAT sensor at all if you have to.  It is absolutely better to have one, no question about it.  But if you find yourself in the situation where you simply can't get an IAT sensor installed but you need to enable speed density operation anyway, go ahead. ​ Just make SURE you go into the Direct Access tab and zero out the **SDTempWeighting** table. ​ Doing so basically tells the ECU to ignore the IAT input when running SD.
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 | AEM 3.5-bar ​ | AEM 30-2130-50 (50 PSIA / 3.5 Bar)  | | AEM 3.5-bar ​ | AEM 30-2130-50 (50 PSIA / 3.5 Bar)  |
 | AEM 5-bar  | AEM 30-2130-75 (75 PSIA / 5 Bar)  | | AEM 5-bar  | AEM 30-2130-75 (75 PSIA / 5 Bar)  |
-| Omnipower 3-bar  | MAP-MIT-3BR (3 bar) | +| Omnipower 3-bar  | MAP-MITS-3BR or MAP-GM-3BR (3 bar) | 
-| Omnipower 4-bar  | MAP-MIT-4BR (4 bar) |+| Omnipower 4-bar  | MAP-MITS-4BR or MAP-GM-4BR (4 bar) |
  
 You wire up a pressure sensor much like you wire up any other aftermarket sensor for logging. ​ The details of which can get complicated because there are several different inputs you can use and several different sensors. ​ So it's hard to write up a COMPLETE how-to on this. You wire up a pressure sensor much like you wire up any other aftermarket sensor for logging. ​ The details of which can get complicated because there are several different inputs you can use and several different sensors. ​ So it's hard to write up a COMPLETE how-to on this.
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   - Connect the sensor'​s output signal to the ECU's input wire you selected in step 1   - Connect the sensor'​s output signal to the ECU's input wire you selected in step 1
   - [[sdhose|Connect the sensor'​s air fitting as intimately as practial to the intake manifold.]] ​ Avoid long, narrow hoses, tees and small-diameter fittings that slow the sensor'​s response.   - [[sdhose|Connect the sensor'​s air fitting as intimately as practial to the intake manifold.]] ​ Avoid long, narrow hoses, tees and small-diameter fittings that slow the sensor'​s response.
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 ===== Using our GM MAF Cable ===== ===== Using our GM MAF Cable =====
 If you have our GM MAF cable already, GREAT! ​ You can use the breakout points provided on that cable to connect your MAP sensor and IAT sensor directly to the car's wiring harness. ​ Our [[gmmafiatbaro|GM MAF IAT/Baro page]] describes how to do this. If you have our GM MAF cable already, GREAT! ​ You can use the breakout points provided on that cable to connect your MAP sensor and IAT sensor directly to the car's wiring harness. ​ Our [[gmmafiatbaro|GM MAF IAT/Baro page]] describes how to do this.
 +
 +===== Using our SD plug-n-play Cable =====
 +If you're using our SD plug-n-play cable with our IAT and 4-bar MAP sensors, then the IAT sensor will be connected to the IAT input and the OmniPower 4-bar MAP sensor will be connected to the baro input.
  
 ====== Configuring the Software ====== ====== Configuring the Software ======
sdsetup.txt · Last modified: 2024/03/15 11:16 (external edit)