Fuel injector sizing
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Fuel injector sizing
Ok so I'm rebuilding my engine and turboing it, I'm getting pretty close to finishing it, my horse power goals are 300ish to the wheels give or take a few is fine. My setup is bnr stage 1, rtek 2.1 and 9.7 to 1 rotors and a front mount, Im going to run 720cc primarys an I'm wondering if it would be fine to run 720 secondaries or should I go a little bigger?? Any help is appreciated this car is going to be daily driven.
#2
Using Howard Coleman's fuel calculations, 2880cc (4x720cc injectors) is about enough for 309whp at 10:1 AFR and 85% duty cycle. So you'd have just enough fuel, but not much in the way of headroom. You could scale up a bit to something like 850cc secondaries, which is what I intend to run with a BNR stage 2 eventually.
https://www.rx7club.com/auxiliary-injection-173/feeding-turbo-rotary-horsepower-airflow-fuels-882676/
https://www.rx7club.com/auxiliary-injection-173/feeding-turbo-rotary-horsepower-airflow-fuels-882676/
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