Another Bigas bodge conversion!
The instructions are very poor and do not show you all that has been done or what is needed.
If you look at the photos they have actualy fitted straws into the manifold so the point of injection should be nearly in the right place. They are showing that you need to advance the injection firing order. Now doing it manualy on a V engine is going to cause you problems and if injection advance is needed there there is a problem with install on this type of engine.
To keep the pipe lengths reasonable then individual injectors and straws might be the best bet. There is no need for the petrol addition unless doing that instead of using a valve saver system.
Again a ECU memory reset should not be needed but with the setup they have there the fuel trims will have been drifting and causing restart problems without the ECU reset.
In fairness those instructions were made in 2007 and most systems have moved on a lot since then.
The silicon pipe will take gas but it is not fuel safe so should not be used. PTFE or Nylon pipe can be used as per the manifold straws.
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