What size injectors? At what HP level are you guys upgrading to bigger injectors?

 

420CC @ 3.8Bar. They should be replaced a click over 600 @5 bar.

 

So most of the people out here are just tweaking fuel pressure to reach their higher hp levels? It just seems that those are awful small for some of the power levels over 400. Are you running them to 100% duty cycle at the higherpower levels?

 

The Gen 2 injectors are bullet proof. You can push them hard and they never stick like the Gen 1 stuff. Once near the top it is time for new lines, pumps and injectors. Keep in mind we are talking crank HP not wheel.

 

I assume you are referring to the new 12 hole injectors as Gen2? Based on cylinder size and HP output I am suprised you aren't maxing them out a much lower level. Many turbo engines max out 450cc injectors at levels far below what the 997 is making. Wonder why?