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Your Dynojet Questions are Answered!

sledheadd: PM me you email address and I can walk you through setting up your rpm. It is just a matter of configuring the LCD to pick up the rpm signal from the PCV.
 
It sounds like your Gauge channels are not configured to monitor any signal. All of the gauges must be selected within the gauge setup icon on your LCD. The gauges do not come preloaded with any channels identifying what gauge should be read.

For additional information regarding the LCD or any other Dynojet product/accessory, our Dynojet Youtube channel will provide very beneficial advice at
http://www.youtube.com/watch?v=RZujIwqRWPo&list=PL9C5A82E908288E21

~T.J.
 
Happy 2013-2014 Season!!!

Hello Again to all the Snowesters!!!

With snow piling up already in many locations, I hope everyone is ready for winter and had a great summer.

After a continuing and successful development season, Dynojet has hit the market with some fun products for us Sled-Heads.

The PCV-CDI provides fuel and ignition control in one box for the Arctic Cat 800/10000cc engines between 2007-2014! Pull a few degrees of timing in that pesky hot mid range to keep it cool and add it back in on top to gain some extra power!

Turbo guys still continue to hound our phone lines wanting to pursue the PCV-PTI. We are excited to be on board with several companies as they have now chosen to supply Dynojet Fuel Controllers with their kits.
Gain full control over the factory injectors (subtract 100% of the fuel or add 250% over stock) to make your turbo spool up faster with impressive bottom end response and stay cool at all boost levels. The Dual PTI setups adjust the fueling for you automatically to make sure your fueling is always dialed in whether you're in the parking lot or at the top of paradise at 10,000' --- and not make a single adjustment to your fuel controller!!

Check out the PCV for the ETec engine where we are controlling the factory Direct Injectors. Ski-Doo runs these engines very lean and clean, but the power does suffer slightly as a result. Pulling the AFR down a point does increase power at the track by at least 3HP. Add in the added throttle response in the mid range as the valves open, and this is a real winner that cleans up the 800ETec.

I will be wandering around at the Salt Lake City Snow Show this weekend and doing a product install on the SnoWest project sled. Feel free to come say Hi!

With any questions, please contact us in Las Vegas headquarters for support, or our Montana engineering headquarters.

Best wishes for a fun and safe riding season!

~T.J.
 
Just in case some of you were wondering...T.J. not only is a very skilled tuner, but also a REALLY good rider. I have had the pleasure of riding with him a few times and he definitely knows how to push his sled to it's limits. The few times I have rode with him his sled has run flawlessly as well. This is an unsolicited comment by the way, I had no idea he even worked for DynoJet before I saw this post. I think if the Snowest community can manage to stay constructive in their posts we will have an excellent resource here. Thanks for posting...

Opinions may vary:face-icon-small-win
 
Would I be able to use a windows tablet with the power commander program if I download it off your website? In theory it should work since they use windows 8 now and the new laptops also run windows 8. Is there a difference between the windows 8 that a tablet uses and the windows 8 a laptop uses?
 
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Sheepdog,
I am hoping that as a fellow riding friend returning the Snowmobiling scene, you and I can get out this year and have a good time in the snow once again!

snowman80,
Yes - You can utilize a Windows Tablet to tune with Power Commander Software after you download it from our website. In fact, I've obtained the New Dell Latitude10 for that exact purpose. Great battery life (and replaceable), it's running Windows 8, and is quite small!

XFIRE800,
Our App as of now is not being developed further until our massive outstanding projects are completed by the engineers. We are nearing completion, so I should be able to pull on some strings to pursue additional work on the App for IPhone's and Droids. Mac capable software has not been brought onto our radar just yet.

Thanks guys!!
The SLC show was fabulous. I continue to enjoy meeting up with customers and other dealers in the industry.

~T.J.
 
Ok so I just ordered the wb2 with lcd and I was just browsing through this thread and noticed that I still need to order a termination plug and possibly a new cable. Is it possible to mount the lcd on the dash of my cowling? I am sure I am gonna need a longer cable but does anyone know how long?
 
That should all be in the kit the cable for mine was long enough and the can plugs were also there.

Sent from my DROID RAZR HD using Tapatalk
 
I haven't had time to do the install yet but I have a couple of questions. It says not to mount the afr sensor before turbo in the instructions, I have found that imo I get the best reading with the sensor located about 6in from the y pipe. I used to have it mounted directly behind the turbo but wasnt getting good readings which was proved on dtr dyno maybe because my tunnel dump pipe is so big it was getting feedback an showing faulty readings? Next, can the lcd read and display boost?
 
You are right on both of the readings on the pipe before as the turbo will make back pressure and not a good reading. I run a et with o2 so I can get a double reading. Imap after the turbo it is a little lean so you have to adjust or put a muffler on to get some back pressure.
Not for sure I think you can see boost if you set the dash off of the power commander and not the auto runner.

Sent from my DROID RAZR HD using Tapatalk
 
jeepin270,
As 2poor confirmed, an O2 sensor in your expansion chamber is not the best location. This will skew your readings and the back pressure can damage the sensor rapidly in some cases.
Yet - the Golden rule with any tuning is referencing what that "number" on your O2 reading corresponds to in an engine condition. If you know that your engine paired with the placement of your sensor has a chocolate brown plug,good wash and consistent readings at i.e.: 13.8:1 -- then go with it. The number is not important - the condition is.
And YES - the LCD can read, display, and datalog boost level.

~T.J.
 
O2 Sensor Location?

I mounted my O2 sensor for Autotune where the pipe necks down in front of the stinger, hoping the flow would be laminar as it enters the "funnel." My readings are all over the place at idle but seem to stabilize from midrange up, I feel the output is biased toward "lean" condition based on my plug color and piston wash, I see 14-16 AFR on the LCD. Is this a good or bad location for the sensor?

http://i145.photobucket.com/albums/r237/jeremyfiester/WP_000406_zps098fe66c.jpg

Also I cannot get Autotune to activate with a switch or otherwise. Is it safe to assume the unit is getting enough juice if the sensor is showing a reading on the LCD? I tapped the voltage regulator for power and ground.

Thanks!
 
LiterCatCO,

That is a perfectly logical location for the sensor. You will have good flow around minimal deposits accumulating on your O2 probe.
Observing fluctuating readings at idle is normal. There is a massive amount of reversion occurring as your exhaust pulsates at low RPM/low flow thus not filling the pipe. After ~5000 RPM the reading do stabilize.
Seeing those lean readings also may be a result of the probe being Too close to the open atmosphere. While at wide open one would think that the exhaust pressure should keep air from entering your system, Free air may be leaning out your reading. Or another likely cause of lean readings - since this "funnel" is a critical point that the tuned pipe uses for sonic reflection, the pressure wave can be skewing your readings as there is much more than just pure flow occurring.
As long as you know what the number on your screen reflects, you are in the clear. This is great evidence showing users of any engine monitoring device that the number displayed truly does mean nothing without a reference of the actual engine burn condition.

If you are getting a reading on the gauge, Yes - Autotune is powered sufficiently and has warmed the sensor to operating temperature. If you cannot get the AT to activate, here is a sequence to check.
1) Ensure the Autotune Box is checked in software.
2) Click > Configure next to the Autotune to ensure that there is no high engine temperature or run time dependence which may not be being exceeded during your riding.
3) Within your Device Tree on the left side of your screen, ensure that your have populated your Target AFR table with the AFR value you wish to tune the machine to.

~T.J.
 
Autotune driving LCD

Thanks for the response, I will try that.

One other question, can the Auto-tune drive the AFR channel on the LCD-200 directly? I sometimes remove the PC5 in order to rule out variables and it would be nice not to lose AFR capability.

I have been meaning to plug in the CAN cable and try this myself but wanted to ask first.

Thanks
 
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