running at 97% duty cycle on my injectors

[mvvette97]

What size do you guys recommend?

[johnv]

How long is a piece of string ? (need more info)

What are your mods and HP goals ?

[mvvette97]

I don't think the sting will get much longer than it is now. I have ported heads and throttle body with longtubes, ory, full exhaust, comp cam 228/230, ls6 intake and 4.10 gears

[mvvette97]

I just want to get it back up the good duty cycle

[rosey]

I was over 100% cam only with 00 26lbers, upgraded to some disc style 42lb/hr@43.5psi and I'm now sitting around 60% at most. Changing the injector flow rates is pretty much all I had to do to get the fueling back inline.

No reason not to get the biggest high-imp injectors you can find for what you want to spend. I'll definitely need some extra fuel for dry hits of nitrous, and its aways good to have room to grow. 30lb/hr svo injectors are popular, and I hear the stock injectors from a GTP are 36lb/hr and should be cheap.

[Beer99C5]

42# Delphis, 417 HP NA, Spraying a 50 dry and 50 wet shot IDC is 64-65% w/ 524 RWHP.

Used the spreadsheet, everyone discouraged the Delphis for SVO but I had no issues at all w/ the Delphis and that was the first bit of tuning I did was swap the injectors and used the spreadsheet for the new tune.

[eboggs_jkvl]

Well, let's do this in an orderly fashion, shall we?


Go here: http://www.rceng.com/technical.htm

Fill in the blanks.

Compute.

Buy properly sized injectors.

Use spreadsheet for new IFR table numbers.

Edit IFR table in PCM to the new calculated numbers.

Tune

Drive.


That should do it.


Elmer

[mvvette97]

Ok, I installed a new set of SVO30s and took it for a drive and now it reads 106% duty cycle. I haven't touched the tune because I have a tuner that is going to do it for me but does that sound right??:Eyecrazy: Is it just because it's not tuned for the injectors?