my gas situation
 

hey guys...i just want to know what my problem could be and how to fix it...well here it is. The past couple times i pumped my gas was around 1.24-1.26L always put around $30 in the tank, well i just wanted to check on my own how much each time the gas would last....so i noticed i could only get around 350-400 km from that amount of gas i put in my tank, now i dont think thats alot at all.

I've done a couple things this year to help my car

-the frequent oil changes (high mileage oil)
-radiator flush (4000 km ago)
-transmission flush (4000 km go)

I have a 1998 honda civic si with 218000 km, automatic, lowered with tien s tech spring, the tires still has alot of tread and nothing to the engine pure stock

any thing else you want to know i can post back.

now i just want to know what i can do without hitting my wallet to much

well first of all you arent putting a full tank of gas in there...$30 in gas at $1.25/litre is only like 37.5 litres...you have space in the tank for 45litres +/- a litre or so...

i have a 40 L tank in my civic and it cost me $60 to fill it, and i only get around 450 km's to it. You can put a header onto it, that will give you a little bit more fuel economy.

$350-400 sounds about right for $30 bucks.


I get 500km on $50 bucks

you have a turbo though..

I got that before the turbo aswell.

exactly.. u should be filling up your tank to full before you start calculating your mileage.

Also making sure your tires are inflated to what your owner's manual says also helps.

^^ also the tire compound is a factor. soft tires equal higher rolling resistance equal less fuel economy. look at smart cars they have really hard compound tires.

i get about 400-450 city driving i never hit 500 but most of my driving is city but if ur putting 30 bucks in and ur getting 450 u hsould be smiling plus i always hit vtec i juss love the accleration of first gear so i burn a lot of gas but w/e

tune up ur car and put the fuel injector cleaner in ur gas tank the next time u fill up all the way dont just stop at 30 bucks it costs me 45 -50 bucks to fill my tank and thats only if i hit like EMPTY the red line empty
but i noticed a big difference when i put the fuel injector cleaner in

i get 200 kms before the gauge moves off F, now I'm sitting at 420 kms and just over 1/2 tank showing on the gauge. last time i filled up, I was at 650 kms w/ 5.5 liters left in the tank.

last fill was 70% highway (by hours, not mileage), tires are bridgestone weatherforce, size 175/65/14 (EF sedan), tire pressure 38 psi (i keep it high for good mileage), drive 110 steady, Sunoco regular gasoline.

Granted, but half a tank is a half a tank, regardless what the gauge says. The float in the tank only goes so high, so it will read full longer on the top "half" of the tank. But it does make you feel like you rock the tank's a$$

Can you explain this?? I never fill up more then a 1/4

Actually, youre only putting in 24 Litres, youre not filling up all the way.

The way the gauge reads the tank, the top half is usually bigger.

I have a question regarding tire pressure, the owner's manual says I should have my psi at 32. but this is with the stock tires. I am not running the same tires anymore, does this change my recommended psi or am I still going to be using the same psi as stated in the manual?

You're still going to be at the same psi