02ZOh6

Hi guys I'm looking for a little info. I have SVO 30's for my car and have searched past threads. It seems there is some debate as to wether the SVO's are rated at 3 bar or 4 bar. What does this refer to? What do I multiply IFR table by to compensate for the new injectors (I'm thinking 35.5/28.8=1.23 So, 1.23Xthe entire IFR Table)? Please let me know if I'm wrong or missing something as I'm just beginning to use HPTuners.
My car is basically stock (Kooks 1 3/4" w/cats, GHL catback and halltech trap CAI) and will be installing F-13 in the near future.
Thanks!

405HP_Z06

iTrader: (11)

The SVO 30's are rated at 3 bar. Check out this thread on injector scaling.

https://ls1tech.com/forums/pcm-diagnostics-tuning/325156-injector-scaling-anybody-have-good-how-anybody-have-math-formula.html

txhorns281

iTrader: (12)

Actually they are rated a little less than 3 bar. I've seen 39.5 and 39.15 psi. Either of these values won't be far off from each other though so pick one and go with it.

02ZOh6

Using HpTuners Unit Conversion table I entered the SVO's running 30lbs @ 39.5 psi and it came out to 36.35lb's @ 58 psi. Then divide 36.35/30 and I got 1.21. So I would then multiply the IFR table by 1.21, correct?
Thanks guys.

txhorns281

iTrader: (12)

you would divide 36.5 by whatever injector rate you are currently running right now (28.8)

jimmyblue

iTrader: (11)

I've seen Ford themselves say 40PSI, for their
flow-matched injector sets w/ datasheets. So
there's one more fly for yer ointment.

02ZOh6

Thanks for the replies and for the clarification txhorn.

PREDATOR-Z

Actually the difference in flow is 19% as 30 SVO's only flow 34.54 at 4 BAR (58psi). Trust me I have them and it took me a wideband to really figure it out.
The biggest missbelief is that they flow 36lbs at 58psi, when actually they flow less.
If I had to do it again, i would have gone with Lucas 42lbs from the first time.

02ZOh6

What about the duty cycle? Should I just leave it be for now? Thanks guys.

RedHardSupra

iTrader: (1)

just scan for injector pulse duty and convert it to injector duty cycle, and you'll find out where you're at

txhorns281

iTrader: (12)

why would this be a misbelief? It's been advertised that the SVO's are rated at ~40 psi. By all calculations, that does net ~36 at 58 psi. Now if they are rated at the 3 bar standard, then yes we'd see 34 lbs. I guess the problem here is how reliable are these advertised sources. I am pretty positive that they are rated at a shy bit less than 3 bar, I will call a Ford parts dealer tomorrow to verify for sure.