Thread: Innovative lc-1...........

ok bro hope you fix the issue soon!! good luck you know anything we can help you with! where here

Ok fellas I just had enough time to put the wheel hub, new front brakes, changed the oil and I reinstalled my seats. Did a little "Spring Cleaning," but tomorrow I should be installing the wide band and I can't wait to start actuallty tunning!

You will have some fun haha. Did you get anything to tune with, or are you just going to be logging the data?

Also, I have the exact same setup for the LC-1, so I can probably answer any questions you have.

Well guys the issue has been fixed What should my car be running (air/fuel) for example 12.5?

bumpity bump

DANJA should be able to answer that... even thought i think all cars run differently... but you should look to enrich or enpoor the mixture as your injection requirements demand.... for instance the stoichometric value is the "ideal" value of air fuel mixture set at 14.5 - 14.7 thats the ratio that offers the better burn of the mixture on the chamber... do you have any piggyback to adjust this? or just the wideband?... any install info? how to? DIY? pics?...

I have a safc-2 and the lc-1. As for the install, it turned into a pita because I decided to relocate my stereo to above my cup holders and I put the guages where the stock stereo spot was.

ok... do you want to tune your injection to always be in the stoich?... i've heard cars run better like at 12.5:1 or something but i've never triyed it myself

Haha hey man, sorry I didn't answer your PM yet. Been kinda busy.

As for the question in your PM, yes, it's supposed to jump back and forth form 14-15 at idle. You are seeing your ECU adjust fuel based upon O2 sensor output to keep it there (since 14.7 is stoichiometric). And yes, it's supposed to go all lean when you engine brake because the injectors shut off.

As for the ratio, it depends on your setup. However, it is a well known fact that you will never combust all of the fuel which it would be possible to react with the given amount of oxygen. Keeping this in mind, it's easy to see that tuning to run stoichiometric will actually cause you to run lean (very bad!!) because not all the fuel will burn completely. Therefore, it is generally accepted that for best performance, you should run your engine a bit on the rich side. How far rich you run depends on your setup.

For turbo or supercharged vehicles, you need to go as low as 10.5-12 in order to stay safe. For naturally aspirated vehicles (like my own), there is less danger of knock, and the mixture can get away with being leaner. Since I have no dyno for testing, and not much tuning experience, I can't tell you what's best for your mods. However, I found that running about 13-14 for my car seems to have improved it somewhat.

Unfortunately, SAFC is an inexact tuning tool, so it's hard to keep it in a narrow specific range. And, without being able to adjust timing maps, it's pretty limited as far as what you will gain from it. But, it is great fun to mess around with and see what you can do, and it will at the least allow you to make a little more from your mods (just be careful and stay away from the lean side!!).

Any more questions you have, there are lots of people here to answer! Have fun!

Well Yea I thought stoich was the best way to run on low throttle. I'm not boosting either nor do I have any major mods. My setup is probably as basic as Danja.