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I'm getting bout 270km max TAS roads so short trips got nistune, cooler, walbro pump, splitfire coils no exhaust... 194kw@ the rears. Is that normal??

Nope, I used to do pizza deliveries in mine, in tas

I used to average 12-13l/100km

Changed o2 and cleaned AFM. Nothing still 17l per 100. Reset ecu. Mm could not notice any change but on the same tank of fuel disconnected boost gauge and teed in greedy boost controller of previous owner. That was taking vacuum from hose between plenum and fuel regulator. Connected boost sensor of hks evc to this line. Now all of a sudden fuel consumption drops to 14l. But had done some long freeway runs on that tank too. Will see on next tank fill. So I dont know if it was ecu reset or the mucking around with hose connections to the fuel regulator. Could long hoses teed off there be causing the fuel regulator to be increasing fuel use?

  • 2 weeks later...

450 is not bad for that power

but it could be worth asking your tuner if he could lean it out on the cruise parts of the map

i get around 500kms from a tank not on the highway with the stock tune which is super rich

Its just wound over 50,000 Kim's on the clock. Is this normal for a M35?

They seem to do that a couple of times in their life.

I would be replacing the o2 sensor, cleaning the AFM and changing the spark plugs if you are worried about fuel economy.

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