Fueling & Injection - 42lb injectors and e85 limit?

I am looking to convert to e85 and had a question for anyone running 42lb injectors with e85. I am currently at 420 rwhp on pump and running 30lb injectors I am seeing 80-85ish % duty cycle. Running a mild h/c/i and a racetronix 255 kit. I know most say just go to 60lb injectors to keep some room to grow, but I can get a great deal on a local set of 42's. Has anyone run them in the 420-440 whp on e85, and if so what kind of duty cycle were you seeing?

i think you could run the 42lb but i would say they will be almost maxed out if you can tune yourself i would give it a try you can always sale them later if you have to pay to tune i would buy bigger to save on tuning cost

Yeah, tuning is no problem. Just curious to see what people have ran them at with e85. The math calls for roughly a 52lb injector, but with our base fp 42's act more like 49's and that should get me right in the ballpark. Plus, always a little easier to idle tune the smaller injectors.