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Chris' '90 Toyota 
Celica All-Trac Turbo
(aka "The Shuttle") Engine Management  | 
    Updated: September 25, 2017 | 
 
        
     The 
    factory ECU cannot accurately meter the fueling requirements when the engine 
    is fitted with larger than stock injectors.   Given the larger displacement of the JUN 2.2L
      engine, larger cams, the factory 440 cc/min injectors are maxxed-out at about 10 psi of
      boost.  So, more fuel is required before turning up the
  boost.  Bye-bye stock injectors and G-Force ECU.  Hello 720 cc/min 
    injectors and an Autronic engine management system. | 
  
 Engine Management consists of the following 
components:
  | 
    SMC Features I'm using: | 
| Installation Notes | The Tuning Log | My EMS FAQ | Autronic Documentation | 
    
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