Techlusion Fuel Injection

MONTANA · 01-29-2002, 09:36 AM

TFI, aka 83i, aka Fuel Nanny. I've installed the latest version of this gimmick on my bike. It is a post processor device that lenghtens the injector open time to richen up the mixture. And it works well. I recommend it to anyone that wants to change thier fuel to air ratio without breaking into their ECU and replacing a chip. You can change your A/F mix as you make other performace changes by using a small screwdriver.

DISCLAIMER:
I'm not saying it's better than a chip...I don't know if it is or isn't..but I like it. I know that some members of this board find some fault or another with it.
END DISCLAIMER.

But since it is a variable device, I am currently (weather permitting) trying find that balance between the power wheelie, gas guzzle setting and the decent mileage (but no surge) setting. Personal preference, I know, but would like to hear what other TFI users are set at.

I want to ask S riders that may already have a TFI to suggest thier optimal potentiometer settings for perfomance vs. mileage. (I think Raven has one??) Does anyone else have one?

I have the Lennie Induct (stock air filter), and a Laser cat eliminator pipe with stock mufflers, and my pot settings are currently GRN=4 o'clock Crossover=6 o'clock and RED=3 o'clock (too low,I think)
Thanks,
Jim

Supermag · 01-29-2002, 09:38 AM

Any information? Where do you get it, how much?

MONTANA · 01-29-2002, 09:43 AM

Supermag,
Techlusion direct at 702/558-5142. or www.techlusion.com
I think it was $189 - shipping was included.
Jim

dfaber · 01-29-2002, 12:07 PM

How was the installation procedure and instructions? (Thanks.)

MONTANA · 01-29-2002, 12:21 PM

The installation was extremely easy and if you have any questions, just call them. They are great to work with.

cliff j randall · 01-29-2002, 08:48 PM

Montana........The latest version of the Nanny will not be available until Mid Feb/02.
Mark D. the master blaster himself and brains behind everything from Dynojet to the Nanny, is out of the country until next week but his assistant gave me this info first hand on Monday morning. I'm also awaiting the Alpha version, you have the Beta model......It is my understanding that the difference is in the latitude of map adjustment.
Cheers,
Cliff

MONTANA · 02-01-2002, 12:43 PM

Since it appears that no one else has one, I'll be sure to document my adjustments as they relate to gas mileage and performance. By May, I should have some good data for anyone who may be intrested.

I'm really kinda surprised that the TFI hasn't caught on with the S crowd. But then again, there are a lot of performance products out there and without a good advertising and marketing plan, (or rave reviews from a well known performance god) no one knows about them.
FWIW.

dfaber · 02-01-2002, 04:04 PM

Please do keep posting on this, Montana. I am planning on a Techlusion device come spring. I already have a full 2bros exhaust and a SJBMW Power Filter, and I am afraid of adding an induct without getting at the lean-ness issue. I think maybe the "Fuel Nanny" monikor hasn't helped sales or acceptance...

tvrla · 02-01-2002, 09:00 PM

The thing that I wonder about is the ignition timing. Do the various chips smooth out the curve? I've heard that timing can possibly be retarded at various points of the curve to reduce noise levels, or, who knows? Roger, were you the one to bring this up?

If the stock chip also provides a non optimum ignition curve, the TFI wouldn't help that.

Has anyone looked into this aspect of the tuning? The reason I ask is because I'd rather buy a chip that fixes both the FI and the timing.

Or is this not an issue?

motoman · motoman's Garage

" Terry - 99R11S (red), 99R11SA (silver/yellow bars), 72 75/5, 74 90/6, 76R90S (2), 76 90/6, 78 100S, 80 R100RS, 84 R100, 86 Honda XR600L "

JEEZ TERRY! Get a few motorcycles, why doncha!!!

tvrla · 02-01-2002, 10:05 PM

Well, yeah, I've got a problem...

think I'll have to start 'Terry's home for wayward motorcycles'. Sometimes I feel like the old ladies who collect stray cats. There was a period for five years after my marriage ended that most of them came to live with me. Not all at once, of course.

You know, it's almost as mysterious to me that I have this many. I think they just showed up at my door and looked kind of sad. How could I refuse?

Want one? Or two...

motoman · motoman's Garage

Quote:

Originally posted by tvrla

Want one? Or two...

Thanks, but I've already got 4... And a 1.5 car garage

(S, Busa, Valkyrie, Honda Aero)

You're a BMW collector, but I try to mix it up a little... If I got another one, it would be the Guzzi Lemans..

Do they all run? You can send 1 up here to live with me for a while.. How about the 84 R100?

BTW, took my S out for a spin tonite! With the Gerbing pulsing away of course...

lennie · 02-01-2002, 10:37 PM

Had an Aussie mate when I lived and San Francisco from 1988 to 1992 who seemed to have Ducatis turn up at his door. The doorbell would ring, he'd answer, and there would be a Ducati in a basket. Tough life for some.

roger albert · 02-02-2002, 07:35 AM

Hi,

yes, I was (at least one of) the one(s) who brought up the ignition timing issue. I bring it up in general terms only though. i.e. that mixture and ignition tweaks (as well as exhaust and intake resonance restrictions) are very common tuning practice at the conditions that tests are made in. Not having a good way to compare stock with BBP or FIM or any other chip, I can't say for sure what they do or don't do. Just pointing out common practice. (just as water cooled bikes are quieter on the side microphone tests, and thus allow a bit more noise to be coming from the exhaust)

So, sure, no fuel only product can have as much effect as a chip. Not only do to the obviously much more crude fuel mapping, but also to no control over ignition. That's theory though. In reality, fuel requirements are often met pretty well w/o a chip, and I don't know that we actually would lose anything w/o the ignition tweaks, since I don't know if any of our bikes actually leverage that facility.

later
roger

motoman · motoman's Garage

Quote:

Originally posted by lennie
Tough life for some.

Collecting used bikes can be a rewarding and often not outrageously expensive hobby! Plus it keeps us off the streets where we might get involved with drugs and alcohol, or contract STD's from women of questionable health...

Now, don't get me started on guns, knives, and bicycles!

Raven · 02-02-2002, 01:18 PM

Sorry guys, I haven't looked at the board for a couple of days. I would have jumped right in otherwise.

Adjusting the Fuel Nanny is sort of a seat of the pants thing. Trying to get that perfect balance between performance and gas mileage is not an exact science here. Mark at techlusion talks about seat the pants type adjustments. Some tweaks don't show up on a Dyno, they just feel good(seat of the pants).

The Fuel Nanny is not the ultimate answer to tweaking. If I had the time, money and desire I would go with a PC programmable chip. At that point I would probably be serious about racing and the money and time to burn up on it. I don't and never will. For every day riding and those on a budget the Fuel Nanny is great!

Mark helped me install mine at the Oregon rally. At that time we talked about future mods to my bike which I have made (TBR full exhaust, K&N filter and engine finally broken in) With each change I spend about a 1/2 hour making changes. I have disconnected the device while out riding and noticed a remarkable difference in performance. Without the Fuel Nanny the engine is less responsive and vibration is annoying.

The basic mapping of the ignition and fuel delivery system on the R11S is great. It deals with most real world situations very well. It just needs a little help, hello Fuel Nanny! Half the cost, twice the adjustability!

One cool side effect I have noticed is that I can change the RPM when the exhaust is most likely to backfire. Depending on the type of riding you do. In heavy traffic with RPMs at a lower level I can adjust the backfire at a higher level, around 4,000 rpm.

Bottom line, this thing will adjust to YOUR riding style and desires, not a computer at a race track that knows nothing about rush hour traffic.

Important note: Point out to your mechanic the Fuel Nanny is there and to leave it alone. They try to remount it to strange places!

Play with it and enjoy!

cliff j randall · 02-03-2002, 05:07 PM

Raven........Re the backfire, this is not good! Maybe I can help. When does your motor backfire? Is it a throttle roll-off, or a throttle roll-on symptom?
And lastely. would you like to get rid of it? If so, send me a private e-mail to cliff@randallsearch.com and I'll help you correct it simply and permanently.
Cheers,
Cliff

cliff j randall · 02-03-2002, 07:29 PM

Raven has suggested we discuss the fix here. Good idea, and yes, for those in the know we have covered this before.
Here is the best kept secret about your motor - the (TPS) or Throttle Postion Sensor, quasi potentiometer can in fact be adjusted to allow for a slightly richer mixture down low. This is a necessaary adjustment for all those of you with an aftermarket Vauderlinde exhaust & chip. I would assume it applies to many other free flow exhaust sytems available for the S.
Here is the fix.......loosen both of the allen screws which hold the TPS in place. Don't unscrew them completely, just loosen them enough to move the TPS (black box), 1/8" in a counterclockwise direction. Now do up the screws and you will never ever hear that annoynig backfire again.
Why sound like a poorly tuned Harley if you don't need too!!!!!!!
Trust me on this fix, it works. It will not hurt your motor, in fact it will help it to fuel properly.
Cheers,
Cliff

cliff j randall · 02-04-2002, 03:46 AM

Hi guys.......I'm not sure what happened to my first message, however I'll print it again.
To remeove the off throttle backfire, (yes it's still the same fix), just rotate the TPS Throttle Postion Sensor, potentiometer, black box on left throttle body, 1/8" counterclockwise. That's it, you'll never hear another backfire and your motor will thank you for it!
Cheers,
Cliff

Raven · 02-07-2002, 05:03 PM

Cliff,

I have been gradualy moving the TPS. Move it a little then go ride. The backfire is slowly going away.

Two questions:

1. Have you taken any readings with a multimeter to get the
exact setting where the back fire won't occur?

2. Shouldn't increasing the amount of fuel cause more backfires?
More unburned fuel in the system to ignite.