Jump to content
SAU Community

Fuel Aconomy On Rb25det

turbooooo

By turbooooo,
in Victoria

 Share

Recommended Posts

R31Nismoid Grand Master

R31Nismoid

Posted
Posted
Yous all suck if you're getting under 400kms to a tank in a non-GTR.

I just did 463km, with 315kms of that of spirited run to Bathurst and back.

Why should a GTR be more fuel hungry?

My motors:

RB25, 270rwkw - 450-500km around town, 550-600 freeway

RB26, 280rwkw - 450-500km around town, 550-600 freeway

Identical :D

Pretty sure i have a 55L tank as well (never run it much below 1/4)

All of mine are with a nastier diff ratio as well, so I am doing high RPM @ 100km/h to you all :)

That said, if i get onto the loud pedal i can mince a tank in less than 300km's

scotty014 Veteran

scotty014

Posted
Posted

am i the only one that doesnt check or work it out? i just go and fill up whenever i need to no matter what day it is, usually when i have about a quater of a tank left and thats it, i dont even look at the price when im filling up lol.

trance Collaborator

trance

Posted
Posted
am i the only one that doesnt check or work it out? i just go and fill up whenever i need to no matter what day it is, usually when i have about a quater of a tank left and thats it, i dont even look at the price when im filling up lol.

LOL +1.. always find vortex 98 for her and fill up once a week. its never been low so i never worry about it :)

Cowboy1600 Grand Master

Cowboy1600

Posted
Posted

I'm lucky if I get 350ks beween fills. And then it takes around 50Ls to fill it.

I'm wondering if a new o2 sensor will improve things, along with a Nistune and dyno time.

Cowboy1600 Grand Master

Cowboy1600

Posted
Posted
LOL +1.. always find vortex 98 for her and fill up once a week. its never been low so i never worry about it ;)

Once a week!!!!!

God damn. If I fill up 3 times a week it's been a cheap week.

Birds Grand Master

Birds

Posted
Posted
am i the only one that doesnt check or work it out? i just go and fill up whenever i need to no matter what day it is, usually when i have about a quater of a tank left and thats it, i dont even look at the price when im filling up lol.

Wish I was like that, but I'm obsessed with the trip meter haha. It can be a good way to tell if your car isn't running properly / as good as it could be. I do fill up whenever I need it though...stuff holding out for queues and cheap prices to save a couple of dollars. If you bought a Skyline for good fuel economy you did it wrong from the start I say!

I'm lucky if I get 350ks beween fills. And then it takes around 50Ls to fill it.

I'm wondering if a new o2 sensor will improve things, along with a Nistune and dyno time.

Yer! Give the O2 sensor a go mate, it should be standard with every purchase of a Skyline haha! Instant 50-60km extra to a tank if it ain't been changed before.

JEPPE Mentor

JEPPE

Posted
Posted
am i the only one that doesnt check or work it out? i just go and fill up whenever i need to no matter what day it is, usually when i have about a quater of a tank left and thats it, i dont even look at the price when im filling up lol.

Ummm.... ;)

BP Ultimate: 141.9c, 423.6km, 49.34 L = 11.65L/100km = $16.53/100km

BP Premium: 134.9c, 265.2km, 34.87 L = 13.15L/100km = $17.74/100km

BP Premiun: 134.9, 446.3km, 53.74L = 12.04L/100km = $16.24/100km

BP Ultimate: 140.7c, 476km, 51.12L = 10.74L/100km = $15.11/100km

Caltex Vortex: 143.9-4c = 139.9, 300km, 35.54L = 11.85L/100km = $16.57/100km

Sucks that BP Ultimate is currently the best, I want to boycott them bad. Going to move onto Mobil and Shell soon, hopefully they are awesome.

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

    • nash47
      Cas issue

      By nash47 · Posted

      Did and sync timing with light 
    • MBS206
      Cas issue

      By MBS206 · Posted

      Have you done the Ignition Sync Wizard in the AEM software?
    • MBS206
      R32 GTS (RB20DE) Injectors Replacement

      By MBS206 · Posted

      Find out what RPM it was idling at with the IACV unplugged. It's very weird that the rpm didn't change at all, and then it stalled. When it stalls is it nearly like a switch off, like you've turned the engine off? Or is it more stutters and sputters and coughs to death over a few seconds? Or does the RPM just slowly keep going down and down? Have you done a test of trying to start it with the AFM unplugged? Does it still die?     If you Follow Josh's advice on using Nistune to check the voltages (which is a perfect method!) if you see anything out of wack voltage wise, THEN get the multimeter out and read the voltage directly at the sensor. If the two vary, then you're now looking for a wiring issue vs a sensor issue. So be aware, what the ECU sees, may not be what the sensor is actually saying too...
    • MBS206
      RB25DE NEO with Haltech ECU

      By MBS206 · Posted

      You very likely need to get it on a dyno and tune it. My assumption is, you've got an RB25DET tune in it, which has a different manifold, different injectors, and different cams as a minimum. What O2 sensor are you running?   When you say it runs extremely rich from idle all the way to redline, is this just free revving it you see that?
    • Haggerty
      RB25DE NEO with Haltech ECU

      By Haggerty · Posted

      I seem to the be only person that is using a Haltech 2500 on an NA motor, I've installed a Bosch DBW throttle body to the OEM intake manifold and am having problems maintaining AFR even with the wideband o2.  It will run extremely rich at idle and up to redline, but under load it will go extremely lean in the 20s and i'm essentially having to rev it over 4k and feather the clutch to get it up to speed.  I've read a few other threads of about the butterfly, it seems removing the vacuum to it is supposed to have it remain open, i've noticed no difference under 4k with the vacuum line to it plugged.  I'm hoping someone here has had luck using the NA manifold with Haltech, and if they happen to have a tune for it.  
×
×
  • Create New...