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Finished installing G4+ plugin for my SR20DET s14. Wondering what's involved for me to try the first start up at home by myself. Car has Walbro 500HP fuel pump, 550cc injectors and a slightly different turbo than factory. Not much else is different except for MAP sensor and the aftermarket boost control solenoid.

Thanks any advice is appreciated.


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Hi Rat,

Here are things you will need to do:

  • Reduce master fuel number as you are using larger injectors.
  • Set the correct calibration for your MAP sensor
  • Check/adjust the trigger offset using a timing light.

This should get the engine running, but it will still need to be tuned before use, especially as you have a different turbo.


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