Upgraded 1NZ injectors

[David C]

Are the 1.8L injectors intended to be used in the Yaris 1.5L 1NZ engine ?


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[JustDidIt]

Originally Posted by David C

Are the 1.8L injectors intended to be used in the Yaris 1.5L 1NZ engine ?


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Intended... no. But for boosted 1NZ applications and other performance modifications, the 1ZZ injectors have shown to help performance.

[CrankyOldMan]

Originally Posted by JustDidIt

Intended... no. But for boosted 1NZ applications and other performance modifications, the 1ZZ injectors have shown to help performance.

I upgraded to the green 1ZZ injectors to keep from going lean with my Blitz supercharger. If you have a proper engine management system, you can just tune the fuel map to compensate. The Blitz comes with a really basic piggyback that just makes the ECU go into open loop mode, which just dumps a ton of fuel to ensure it's not running lean. Bigger injectors = more fuel = lower AFR under boost. Not terribly elegant, but safer than running lean and breaking things.

[David C]

Originally Posted by JustDidIt

Intended... no. But for boosted 1NZ applications and other performance modifications, the 1ZZ injectors have shown to help performance.

Thanks


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