Save My Skyline!

[mid life crisis]

gee i miss my 327 in a lc torana not!!!my r33 is super cheap to run i drive like grampa most of the time tho

[benl1981]

1. Replace your 02 sensor - (About $50 for generic one)

2. Check brakes arent grabbing - jack up car and spin each wheel

3. Check tyres are around 35psi (I measure when hot so put in 36psi)

4. Check your coolant temp is around the 1/2 mark on the dial. If your coolant temp sensor or thermostat is casuing the ECU to think it is running cold then the ECU will run the engine very rich - had this problem with a corolla anfd gained ~50km a tank.

5. Does the wheel alignment seem ok?

6. Run some fuel injector cleaner (redex one is good - $15 concentrated - use around 20-50ml)

7. Replace spark plugs with NGK BKR6E ($20 for 6)

8. Use some contact adhesive cleaner or equivalent ($10 Jaycar) and spray your AFM

9. Get a $50 dyno run once this is done to check idle and light throttle Air/fuel ratio is at 14.7, also get a log of the A/F Ratio at full throttle (most likely very rich)

All up about $150

This may save you a ~$10/week on fuel and you will also know that your Air fuel ratio is safe at full throttle or not.

To fix the richness at full throttle get a SAFC and tune ~$500 or PFC ~$1500

I get around 10-12L/100km depensing on driving. Highway should be 10! which means 400km ~ $55 ($1.35 for premium)

Edited September 2, 2007 by benl1981

[33Sedan]

benl1981: cheers mate! Will be putting the skyline through a service this week. Turns out all the worry was over nothing. Got a 5 day data entry position which will give me money to spare!

Will still look into the above mentioned as it is always nice to save abit of petrol. A mate of myne has a series 2 with larger turbo and other mods and he still manages better fuel consumption that me! Myne is sitting at 14-14.9L/100km and he seems to be getting 11-12L/100km. One time i managed a 16.4L/100km. Was proud of myself ;-)

I will get the all checked out neway as i feel it is using more fuel than is needed. especially considering i'm driving as slow as a granny popping sleeping pills.......

[NUTSGTR]

Use ethanol blend fuel such as Boost 98 from United. My GTR loves it and there's been a few discussions about it on this forum previously. More power from the same (or similar)fuel qty= less tendency for right foot syndrome, or so you'd hope if u wanna save coin. Definately cheaper than the mainstream 98RON fuels. See if it works for you.

[benl1981]

The boost 98 petrol is good and you can use it but it will run slightly leaner - not a problem if stock ecu usually. It also has a lower energy value per litre than standard fuel so you won't go quite as far on a given volume compared to 0% ethanol petrol.

You can make more power on it by advancing the timing a bit though.

[Chris-06R]

A mate of myne has a series 2 with larger turbo and other mods and he still manages better fuel consumption that me! Myne is sitting at 14-14.9L/100km and he seems to be getting 11-12L/100km. One time i managed a 16.4L/100km. Was proud of myself ;-)

Hmm, not sure if you realise, but that L/100km value is supposed to go down

Unless you were proud of using more fuel? In which case I am proud to use ~30L/100km on the track

[33Sedan]

haha nah I meant I had lots of fun once upon a time when I had money to spend. ;-) We dont' have any of that ethonol blend around here i don't think. never seen it anyway.