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Last 2 tanks ive been getting a worst of 414 @ 52 litres and then 435 @ 52 litres. The 414 had heaps of thrashings and even a few with the 435. Half tank on these i was getting between 200-220. Now im driving like a granny, and the current tank i have 240 and its still just above half.

if you get 200kms from either the top half or bottom half of the tank your doing very well.

melbourne seems to have better petrol than sydney - i always read skyline melbourn'ites averaging over 400km a tank which is around 12l/100km's, which is doable i guess...im more 12.5-13l/100km. around 400km is my average.

i have powerfc, 13psi boost, full exhaust & hiflow cat, front mount, hiflow filter element. the powerfc makes a large difference, before the PFC i was averaging about 350km per tank.

i get just around 400 and i thought that was shitty... 1st half usually goes quicker as I fang it, then realise after 1 day i have already used a half tank and take it easy.

worst I ever got was 210km out of a tank.... got 185km out 60L on an STi once :( redline the whole time almost.

I almost always get 400km and drive till the fuel light is on. She's an auto and i'm not afraid of the GO pedal, best has been 520 on a country drive with some WOT. Worst was 270, all with a cat back and no noticeable difference with modded ECU more boost and pod filter.

  • 2 months later...

I smashed my previous fuel consumption record (552km from 63L = 11.4L per/100km). It now stands at 622km from 60L = 9.6L per/100km, I could have pushed it to up around 640km but I didn't want to risk it because I was about to turn onto the M2 and wasn't sure where the nearest servo would be off any of the exits hehe.

I got the 622km just by driving from Penrith -> Canberra -> Penrith -> Seven Hills. I was using Shell Optimax with a standard airbox, standard airfilter, standard turbo, 7psi boost and it was pretty much about 550km of pure 110km/h highway driving (5th gear doing 110km/h @ 3,100rpm) and 72km of normal driving (happy laps around Canberra Summernats). and 1 extra passenger with luggage (around 160kg more than I normally carry).

I'm pretty happy with that result because its still only the standard ECU so with a PowerFC and a good tune im sure it would go beyond 650km but I won't know until 2005 when I go to the Summernats again hehe.

I get round 220-240kms on half tank, but i dont usually throttle too hard (too many cops in my area). Got apexi pod, custom hiflow cat and cat back 3.5 inch, AFC. Car's poorly tuned atm. Dont know why, but when I do go hard the fuel difference is not very much, prob drops to round 200kms on half tank. Always thought that my car drank too much for the amount of go it gave compared to a mates 180.

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