Jump to content
SAU Community

Injector Lag Time

GTR180

By GTR180,
in Engines & Forced Induction

 Share

Recommended Posts

JonnoHR31 Grand Master

JonnoHR31

Posted
Posted

it'll mainly affect idle. if the rest of the map is good then it should idle much better. when i went from stockers to 555s i used the settings i posted on the previous page (albeit with a pfc) and it started straight away and ran perfectly, even drove it that way for a few weeks.

PM-R33 Grand Master

PM-R33

Posted
Posted

I can't see anything on the page?

It says the part about:

"This is by far my most popular addition, a preliminary version has been in circulation to Nistune users for some time. So those who don't use Nistune, here it is"

But then bellow it is a white screen?

Everything else on the site looks to work though. Good website by the way man, you do it yourself?

Don Dada Mentor

Don Dada

Posted
Posted

dunno bout every voltage but it should be close enough. im assuming when you enter +.18 into the power fc it just uses the same correction accross the board

yea in the pfc there are the two columns(injector) that you enter the change in size% and one for the change in ms...this is on the hand controller

Now noticed in datalogit there is the same two columns as the hc and also an Inj lag(ms) vs. batt V table similar to the Vipec table so do you adjust anything in this table when you change the injectors or just the two column (injectors) table and leave it at that??

PM-R33 .... maybe vipec has this same overall setting change in the software so you dont need to change that actual table you mentioned??

DVS JEZ Grand Master

DVS JEZ

Posted
Posted

U don't have to adjust the ms/Volt table unless ur AFR changes when electical loads are applied to the engine.

Then to set it disconnect ur alternator and as the volt slowly decrease set the ms/Volt table at the current Voltage to keep the AFR at idle constant.

Randon_I_Am Veteran

Randon_I_Am

Posted
Posted

what about the minimum injector pulse width?

I've adjusted my lag time to work well, but when I'm say cruising on a slight down hill, and only slightly touch the accelerator, i get spluttering, i watched and noticed my AFR's leaned out in this situation.

Am i correct in thinking it's got more to do with minimum pulse width than injector lag times?

Randon_I_Am Veteran

Randon_I_Am

Posted
Posted

fine with no throttle, fine with normal throttle. It's just that really low almost like resting the foot on the pedal kind of throttle.

When i say lean i mean about 17-18:1

14.7 with low throttle, 20+:1 (no fuel) with no throttle. But just the interchange between throttle and no throttle basically.

using NIStune with seimens deka injectors

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
 Share
Go to topic listing


  • Similar Content

  • Latest Posts

    • MBS206
      NC MX5

      By MBS206 · Posted

      There's a good German place in Brisbane if youre up for the drive 😛
    • Dose Pipe Sutututu
      NC MX5

      By Dose Pipe Sutututu · Posted

      The German place in Cabramatta was rock solid, fresh pretzel cooked to order back then. Then it went all quiet, after all the poker machines were removed, then I believe it closed for good. I did drive past the other week and noticed outdoor lighting a big screen, but no idea what is there now.  
    • joshuaho96
      R33 GTR running -9 with no tune

      By joshuaho96 · Posted

      Yeah I suspect even if you hold airmass per cycle/cylinder constant if you get too far away from stock you're still going to have problems running the factory tune within the bounds of the factory load scale. Cams, different displacement/rod ratio, etc. I'm just lucky that the GTIII-SS with wastegate boost + CA compliance cats is pretty much equivalent to stock turbos. When I have actual space I can finally get it tuned and modify the fuel system for flex fuel to 100% handle any detonation concerns when cranking the boost to whatever those dinky turbos can put out.
    • The Bogan
      NC MX5

      By The Bogan · Posted

      I would say no, why, because my daughter, who also lives in Goulburn, hasn't recommended us going there Pity, as we miss all the German joints around in Sydney, actually, the restaurants are the only thing I really miss about Sydney, and a special mention to Ishibanboshi at Bondi Junction, their Kara-age Don is heart cloggingly deliciousness (always added a special boiled egg...or 2) 😋 
    • GTSBoy
      NC MX5

      By GTSBoy · Posted

      Does that German restaurant still exist in the old place out the NW end of Goulburn? When I say "out the NW end of"...I am really being vague. It was 1997 when I was last there, and the only point of reference I can recall is that it was on the opposite side of the main drag from the big merino. And when I say "opposite side of the main drag", I don't mean "on the main drag". It was either a couple of streets back from there, or might have even been out in the sticks a bit further. Was an old farm building or mill or somesuch. And when I say "the big merino" I might actually be thinking of a completely different part of town, because I just looked on maps and the big bugger is not where I remembered him to be! The food was good, consisting largely of various German mystery-meat sausage/loaf things and kartofflen.
×
×
  • Create New...