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On my website www.mkiv.co.nz there is a 2JZ-GTE injector size calculator that I have written that allows you to estimate the injector size you need for your 2JZ-GTE engine. It takes into account the RWHP or RWKW you require, the A/F ratio, the dyno type (US mainly use DynoJet), transmission type, fuel regulator rising rate and base fuel pressure and the injector duty cycle.

Check it out at www.mkiv.co.nz/injectors.htm

I think its pretty accurate, but any feedback to improve the accuracy of the calculator even further would be much appreciated.
 

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Nice site, I bookmarked it too. But I have nothing useful to add or edit on your injector calculator.
 
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