Jump to content
SAU Community

Recommended Posts

  • Replies 42
  • Created
  • Last Reply

Top Posters In This Topic

Top Posters In This Topic

I made 260kw at 15psi so never 100% injector duty.

Injector duty is around 88-92%.(depends on AFR)

Does someone want to explain to me how thats possible?

Im making 290rwkw with 500cc and it 77% duty...

going by the above statement I could run E85 on my 500cc injectors and get more power... wtf...

PLEASE don't! :P

please do!

it's not possible under normal circumstances. unless your running wmi or something similar anything more than ~200rwkw on standard injectors is either running lean or is just a happy dyno.

please do!

it's not possible under normal circumstances. unless your running wmi or something similar anything more than ~200rwkw on standard injectors is either running lean or is just a happy dyno.

Happy by 60 rwkw?

Standard injectors are 370cc, which i've been told makes them good for 370 crank HP at 100% duty and standard pressure, or there abouts? So in theory, the 400-450 crank HP Toshi is making would need %15-%25 more pressure to keep them below %90 duty?

Is that right, or am I missing something? Also interested in this.

Defently not the dyno, it reads within 3kw of factory spec on new cars that have been run up, maybe ive just got a freak 25? oh btw my vvt isnt connected =/ but that only affects mid =)

Edited by 51NNA

correct its also a dyno dynamics, my tune was done at 11pm on a winters night so it was getting nice freezing air, doubt it would make the same power in summer.

Edited by 51NNA

no...were did you get that idea from? LOL there is a setting that shows flywheel power but its defently RWKW, i dont understand why you think its so hard for a rb25 too make 200rwkw, my rb20 stock on 1bar was making 180RWKW...

Edited by 51NNA

Youll find most will say HP and RWHP these days, the tests were done on stock WRX's, when i worked there we mainly did wrx's because of the AWD dyno..and most of the time people would complain our dyno showed a low reading compared too others.

Edited by 51NNA

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



  • Similar Content

  • Latest Posts

    • -10 is plenty for running to an oil cooler. When you look at oil feeds, like power steering feeds, they're much smaller, and then just a larger hose size to move volume in less pressure. No need for -12. Even on the race cars, like Duncans, and endurance cars, most of them are all running -10 and everything works perfectly fine, temps are under control, and there's no restrictions.
    • Update: O2 sensor in my downpipe turned out to be faulty when I plugged in to the Haltech software. Was getting a "open circuit" warning. Tons of carbon buildup on it, probably from when I was running rich for a while before getting it corrected. Replaced with new unit and test drove again. The shuffle still happens, albeit far less now. I am not able to replicate it as reliably and it no longer happens at the same RPM levels as before. The only time I was able to hear it was in 5th going uphill and another time in 5th where there was no noticeable incline but applying more throttle first sped it up and then cleared it. Then once in 4th when I slightly lifted the throttle going over a bump but cleared right after. My understanding is that with the O2 sensor out, the ECU relies entirely on the MAP tune and isn't able to make its small adjustments based on the sensors reading. All in all, a big improvement, though not the silver bullet. Will try validating the actuators are set up correctly, and potentially setting up shop time to tune the boost controller on closed loop rather than the open loop it is set to now. Think if it's set up on closed loop to take the O2 reading, that should deal with these last bits. Will try to update again as I go. 
    • More so GReddy oil relocation kits, sandwich plates, etc. all use 10AN fittings. And same, I've only used 10AN and my car sees track work (circuit, doing laps, not 10 sec squirt business).
    • street use or race track, what hose size and why? what factors change with the hose size options ?   see most comon is an10. when you see most oem external coolers are closer to an12? does high volume oil pump like nitto need an12 or 10 be just fine
×
×
  • Create New...