Fuel Economy, 1.8 compared the 2.5



  • No matter what I do now with mine best I get is 12 MPG or 120 to a tank, that dropped massively with the new exhaust headers and no cat plus the only speed on the motorway is flat out at 77mph :rofl:



  • @d5349b56d3=djmarcopolo:

    No matter what I do now with mine best I get is 12 MPG or 120 to a tank, that dropped massively with the new exhaust headers and no cat plus the only speed on the motorway is flat out at 77mph :rofl:

    What the hell you done to it ? lol



  • Jeezaz thats thirsty, what are the state of your lambda sensors?!



  • @5d431b8478=djmarcopolo:

    No matter what I do now with mine best I get is 12 MPG or 120 to a tank, that dropped massively with the new exhaust headers and no cat plus the only speed on the motorway is flat out at 77mph :rofl:

    Flippin heck!! You make owning a rotary seem frugal!! :rofl:



  • Dunno whats up with it, since fully decatting and the 2 inch headers all round it plummeted, from 180 a tank to 120 plus it runs a little cold as I have taken the thermostat ot to try to keep the water in the system but that hasnt worked so I still have to refit it plus fit a second fan as it hates sitting in traffic so it thinks its still on cold so that dont help either hahaha

    thats why it comes out at weekends lol



  • At that rate, it would come out on the 31st of feb each year.



  • LOL, it doesnt help that with the headers the exhaust makes such a sweet note and it now back fires on decelleration like a mizti evo turbo :rimshot:



  • Kinda liking the sound of that! :mrgreen:



  • @0146c25b2b=djmarcopolo:

    LOL, it doesnt help that with the headers the exhaust makes such a sweet note and it now back fires on decelleration like a mizti evo turbo :rimshot:

    My 1.8 does that with the MS exhaust, but that might be down to the 1/2 a swamp still in the cat.



  • You're running on cold enrichment all the time! The fuel injection needs 180F to run right. Put your thermostat back in!



  • Just for clarification: Are you using miles per 4.55 Liter Imperial gallon?

    I drove my 1.8 for three years and averaged 22 mpg (American 3.79L/gallon) in mixed driving, 28mpg at a steady 80mph. My 2.5 millennia engine gets me about 20-21, in the same kind of mixed driving. EVERYONE who says you will be tempted to use the extra performance is completely correct. You will have a terrible time driving sanely!

    Converting to liters/mile yields about 18 liters/100 miles. or 5.54 miles/liter.

    Steve Seiter



  • Mine is ruined from the ZE and even more with straight through race headers
    Ive got mine down to 150 miles per tank so about 12mpg :rofl:



  • yeah and thats without putting your foot down.



  • @3a647f3ef4=ukmx3admin:

    yeah and thats without putting your foot down.

    Thats right, thats the most i get from a tank, I knocked 40 miles off with the headers lol


 

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