Originally Posted by
kingtal0n
Delete the maf
I only use fuel injector clinic or injector dynamics anymore. It isn't even the data- I've tuned hundreds of setups without the data over 25 years.
The real issue is quality of the injector, as they tend to vary, and spray patterns vary, the performance as temperature changes varies, so many variables especially with cheap injectors.
You will desire the injector that can flow your HP demand near 35 to 40% duty cycle if you can afford it.
For example, don't buy '500hp injectors' to feed 500hp. Use 1000hp injectors. I prefer ID1050 injectors for 600-700rwhp gasoline applications.
By keeping duty cycle lower than 50% it will:
1. Dramatically improve low and mid-range torque with injector phase that sprays between Intake valve open and peak piston velocity
2. Reduce injector solenoid heating by giving the injectors time to rest between shots.
3. Reduce ECU injector driver heating for the same reason.