The cold start injector never seemed to add much fuel in my opinion, it only gave out a fine little queer mist. If its designed to enrichen an engine a bit at 1000rpm, I doubt it has much ability at full throttle at 6000rpm. The 5th injector was a waste of time, it did nowt for me.
Why are you having it run so rich at the top end Shaun? You lose power when its too rich.
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