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Roman 08-08-2008 08:32 AM

92 Suzuki Swift Project
Hello everyone.

I'm new here! I'm Roman from Holland and came here throu a link on a dutch tuning site for Suzuki's. So my English sometimes like a little bit on Engrisch :D

Now the days fuel is very expencive. I pay 1.52 euro a liter (when my excel skills are right that would be 8.8 dollar for a gallon, while 1 euro is 1.515 Dollar). So i read a lot of things to do to make my car cheaper. Like Aero modding, WAI and so on.

I own a Suzuki Swift GL 1liter from 1992. (pics will follow). I bought it a year ago for 200 euro (303 Dollar). First when i had it i was disapointed doing only 34 MPG. Now i do better, 43 MPG. But i want more. I would like to reach te 50 MPG next. And im here for some help and indeas.

What i already have done is a little modification whit the air intake, still testing what is better. WAI or CAI. Last week i changed my ignition timing, but i think it's to early now. And i use Aceton as and add to the fuel, giving 10% (from 39MPG to 43MPG).

First i want some engine mods, later on i want some Aero mods.

Daox 08-08-2008 09:13 AM

Welcome to the site. :)

99metro 08-08-2008 11:56 AM


There's a few people here with that 1L engine (me for one), so there's lots of tips on how to get higher fuel mileage. The main thing is changing your driving style. Also, make sure you have a good engine to start with. Check your cylinder compression and make sure all three are above 180 psi, preferably 200 - 210 psi. You should use a mid-grade gasoline, not the cheapest. Hopefully you aren't using too much oil. Read these forums and ask questions and you will gain knowledge and increase fuel economy.

Don't worry so much about making perfect sentences or perfect English! Get it out the best you can and we'll ask questions if we don't understand. You are doing good and very understandable.

How much acetone are you using per tank? There's lots of controversy on whether this helps or not.

SVOboy 08-08-2008 01:21 PM

Welcome to ecomodder! Americans really need to stop whining about gas prices, ;)

99metro 08-08-2008 01:35 PM

Here's a link to how some of us have our intakes "modded", It seems to work the best(?)
When I accelerate, I try to keep it down to where I am just below to where the sound of the intake changes - if that makes any sense.
Although I have a 1999 Chevy Metro, my engine is a 89-94 JDM. I also have my timing set a little higher to take advantage of higher octane fuel - but that is something I am experimenting with.

Roman 08-08-2008 03:43 PM

Tanks eveybody.

Just made some photo's:

The Front. Here i planned some Aero mods

The Back: Also some Aero mods planned. First i removed that 2 wheel splash-boards.

The Engine: Stil testing whit air intake.
/edit LOL your link shows the same air in take i use now :D

Little oil... but no leaking. Have to change oil running 19.000km whit the same (11799 miles)

But i cant open the Carterplug. That's this one right??

Another one from the front:

That's it for the moment. :D

About the aceton. I use 23ml on 10 liters. You can see my fuel use here. You see the entery from 30.07.2008, that the the second one i used aceton going from 6.0l/100km to 5.5l/100km.

@99metro how i check the cylinder compression?

99metro 08-08-2008 04:37 PM

How to check cylinder compression:

How to test car engine compression

Basically it is a hose with a gage that screws into a spark plug hole of one of the cylinders. Crank the engine a few times without the distributor or fuel and check the pressure. You do this for each cylinder. Don't quote me on the specs, but I believe over 200psi will be just fine, and as low as 180psi would be good too. If there is a big mismatch, or if one or more are much less than around 150psi or so, then there could be issues such as the common exhaust valve being burnt, especially in #2 cylinder. Again, don't quote me. I one of the cylinders are way low, then this is the problem with not being able to get fuel economy.

You might be able to make or borrow a gage. Of course you could buy one also. Most repair shops should have one handy. Over here in the US, we can rent one from an auto parts store.

Hope this helps.

99metro 08-08-2008 04:39 PM


Your engine compartment looks almost exactly like mine!

Roman 08-08-2008 05:19 PM

No wonder.

Swift en Metro are the same only other brand. Also like some Subaru Justy and Pontiac Firefly models.

I'll try to get one of those to check my comression.

Oh my machine had run 304000km that's 188875 miles.

skyl4rk 08-08-2008 05:56 PM

Hoi Roman

Drivers in NL tend to drive fast and the streets are quite busy so it will take a lot of driving skill to improve your fuel efficiency. Try to keep the motor in lower rpm ranges and if no one is behind you, coast to a slow stop. The less you have to brake, the better.

As a friend in Nijmegen told me: A good driver never uses his brakes.

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