mike-hkc

well i just got a single cam with about 250,xxx for 100 .and i notice that it is getting about 5 miles a gallon on the street. and gas gauge keep going up and down what's wrong need help

ATLspeed

major tune up....fuel filter...fuel pump

pr0ject TRUENO

ive been getting 20-25mpg on mine

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SCato

ive been getting 27-29mpg, gas prices scaring me, slows me down, no useless reving, and keeping revs low in general

major tune up sounds like is needed

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240Atlanta.com

WagDatto

Averaged 21mpg on my last tank, even with some stupid revving/driving mixed in with highway.

They hit the nail, /thread.

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irritatedmax

yeah, start with a tune up. when i got my bone stock 92, i was getting 22-ish mpg's on average with 145,xxx miles on it. i did fuel filter, spark plugs, checked the wires, and other stuff that has nothing to do with mileage but just general maintenance. i have always ran shell v-power (92 octane) through it because it has been proven to clean the engine/injectors. the gas door says use only premium unleaded. anyway, now i am getting 27-ish mpg's in town and 29+ mpg's on the highway with 153,xxx on the car. i am actually impressed with the mileage because my s14 was getting like 13 mpg's with its weak motor.

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mike-hkc

i just sea foamed it new spraplugs and a new z32 fuel filter

ms!3

about 20 in the city and 30 on the highway.

irritatedmax

any improvement? or let us know after you drive it a bit.

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floodo1

wow man i get 22 on mixed in town / freeway (in town). and then about 25 on road trips.

i dont see how you guys are getting > 25 on the freeway?
i get the 22 around town cuz i rev the shit out of it all the time. but 30 on the highway HOW??

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5t341tH

wow u guys make me jealous. mine gets 18mpg around town. thoh it does have low compression and never had a tuneup. whats a full tuneup consist of? i only know the plugs, wires, o2, filters. what else

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irritatedmax

i drive pretty mildly. few hard corners here and there but no reason to race anyone. stock ka doesn't put up much fight. try babying it for a tank and see if anything changes. $4.00 per gallon is too expensive to waste revving, haha.

yeah just the basic general maintenance items. i don't think there is a set list but what you said is definitely a good start.

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s14_legend

20 city/22 highway

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95KA-Turbo

Yeah I was averaging 26-28mpg on city/highway mix. I definitely get 30 or more on road trips on highway only (like 450 miles per tank). I run 89 octane if that makes any difference at all. I also rev just under 3k....well I try to, a lot of times it'll be around 3500. 97 with all of the emissions and an intake and exhaust (stock header/downpipe and cat).

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240trainee

I wish my single cam got better milage.

oh well.

it's a pos.

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LookoutDrift

SHIFT_*grind*

My SR with a T28 gets ~28mpg on the highway. I was pretty shocked when I realized it.

Do you have a fuel leak? The only thing I can think of that would cause you to get five mpg would be if your gas is just leaking out the bottom of the car. Check all your lines, see if it's leaking at the injectors, things like that.

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bbejj123

im in the same boat...haha gets around 260-290 on a single tank =/ running 91 it also idles at around 1500 rpmss way high i need to diagnose it sometime this summer haha

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95KA-Turbo

My old KA-T got 24-26mpg and my friends old red top (stock minus full 3" exhaust and FMIC....and 15psi) got 28-30mpg driving around. I am excited about getting my stock ass S14 SR in, haha.

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SHIFT_*grind*

I think part of the explanation is that I have a GTiR T28, which is non-ball bearing and .86 A/R so it doesn't really boost until I get into the gas pedal. If I keep the revs low enough around town, it's almost like being N/A. I imagine if I had an S14 T28 it would get slightly lower mileage because it'd be harder to stay out of boost.

It's not so great for low-end torque and spirited driving, but great when you're paying $4/gallon.

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1993 SR 'Vert

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kdashy

I can do 27-30mpg with no highway driving.

High throttle low rpm shifting (<2200), coasting in neutral ect.

Also if you can stand it, slowing down and driving on the fwy at 55-65 will save a lot of gas too.

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scooz14

im seeing 27 mixed in my single slammer. dont drive like an ass hole, and the good millage follows

blackrms13

the "freeway" speed can vary alot, in some states, its like 55mph, but here in cali is like 65mph, but usually we drive 70+, so theres a difference in the engine speed...thus consuming more fuel

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Lith

I got 31mpg last weekend. Although that was 100% highway driving (Toronto to Montreal).

Usually on my stock KA I get 21-23mpg highway/city driving.

touge dreamer

I avg 24mpg on my stock KA. I don't see how you guys can get around 30mpg.

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MaD1337M3DRiV3r

The thing that killed my gas milages was my walboro, i installed the nismo fpr and set it to the right psi.

I'm getting 25mpg mixed driving... s13 sr

Lith

24mpg average is dead on (if you go by published figures from Nissan). I believe Nissan reported 21mpg city and 26mpg highway for our cars.
But I do believe that people can get more than that if they are on the highway and maintaining 55-65mph on cruise control (no AC or anything like that).

LeftNutOfGowd

Lets see 50 bucks for a ful tank gets me about 230 miles on my stock ka

95KA-Turbo

Yeah the interstate speed here is only 55. So I go 65 tops....granted there are plenty of people going 70+. When my car does the 28-30mpg on road trips I'm usually going ~75 because Interstate 95 is 65 and everyone goes fast as shit.

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stinky_180

my s13 with my tune gets around 22mpg
my s14 completely stock gets around 25ish

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4bangers

i get about 28mpg and sometime 30mpg, I keep mine below 2500rpm s14