T-max how many times to learn? - Road Glide Forums
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post #1 of 17 (permalink) Old 07-04-2014, 02:51 PM Thread Starter
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T-max how many times to learn?

How many times do you need to read and write the learned settings?

There must be a point when its pretty much done "learning".

Any insight would be appreciated
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post #2 of 17 (permalink) Old 07-05-2014, 12:59 PM
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depends on how close the base map was, and how you ride. If you slowly go through the gears building rpm slowly it will have a chance to sample more data than just riding normally.
I can't say there u=is a certain amount of time or rides then it will be tuned, but you should see it logging less changes to your base map when you get close.
Also if you ride up into the mountains and then back down to your normal riding area you'll see changes for altitude but this is just keeping the bike running good in the altitude not something you have to auto map.
Hope this may help as I'm learning my way around the T-max system myself.
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post #3 of 17 (permalink) Old 07-06-2014, 07:42 AM Thread Starter
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Thanks.

Base map was off a fair bit. Looks like the changes are getting pretty subtle now.
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post #4 of 17 (permalink) Old 07-06-2014, 01:01 PM
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It took about for tries for me before it was dialed in.. 50+ miles each time..


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post #5 of 17 (permalink) Old 07-06-2014, 01:07 PM
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Thundermax dial in time

I was doing read and remap after short trips and I saw little changes. Last weekend I did a about 200 miles with single and two up riding, higher elevations too and I ran the update and it made a big difference.

My take... run a few longer trips with varied styles of riding to push the system to run at as many different ride types as possible.

Made a difference for me. I still had to retard the timing to rid myself of the pinging under heavy loads. Almost all gone but I still have some adjustments to go on that.

Best of luck
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post #6 of 17 (permalink) Old 07-27-2014, 08:55 AM
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Quote:
Originally Posted by hutmo View Post
I was doing read and remap after short trips and I saw little changes. Last weekend I did a about 200 miles with single and two up riding, higher elevations too and I ran the update and it made a big difference.

My take... run a few longer trips with varied styles of riding to push the system to run at as many different ride types as possible.

Made a difference for me. I still had to retard the timing to rid myself of the pinging under heavy loads. Almost all gone but I still have some adjustments to go on that.

Best of luck
HUTMO
Friend looking to by a TMAX. Does this unit auto adjust on the fly or does one have to flash the ECU after datalogging?

Does it not learn timing and adjust automatically, or are you just fine tuning?
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post #7 of 17 (permalink) Old 07-27-2014, 08:58 AM
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It adjusts for AFR while riding, timing is a manual change.

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post #8 of 17 (permalink) Old 07-27-2014, 09:52 AM
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Two our three 50-100 run and auto after each should do it.

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post #9 of 17 (permalink) Old 07-28-2014, 04:30 AM
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They dial in better starting on the rich side and learning to lean out. Nice tuner but still lacks IMO if you're fortunate enlighten to have someone near you that will use something like a TTS MasterTune instead. The things I don't care for about the TMax is email correspondence (not that a dyno operator like our shop has that measures actual power at all throttle adjustability points, they are not capable of pulling timing if you get a bad tank of fuel, they're not exactly a cheap product, and they don't have some of the nice fluff tables that really make a tune shine such as throttle progressivity etc. and last but certainly not least, they are only targeting a predetermined AFR. That Afros not necessarily where that bike performs best and the power is linear the ought the rpm range as it should be if tune right. One last thing, I prefer to rely on more than just one reading (oxygen) and a strain gauge to measure power in real time that shoot for a target AFR. Nearly every bike on the planet has reversion at some point in it's rpm range depending on exhaust, head ports, cam timing events length of pipe etc and when reversion occurs, the oxygen reading is skewed and will falsely tell the operator to add fuel. Is it's already too rich there to begin with, power will decrease with the rich condition.

There's 20.9% oxygen in the air we breathe. There's no CO (carbon monoxide) which are molecules of partially burned O2 and HC (Hydrocarbons) which is gasoline. Have readings of HC, CO, CO2 (completely burned oxygen and hydrocarbons) works great in the classroom but if you ever riddent a stock bike with a cat in the exhaust, you know they suck for the real world. The term used for this completely burned up mixture of HC's and O2's that works in the classroom and perhaps liquid cooled variable valve timing motors, sucks big time for out V-Twins. It creates heat, lazy throttle response, low power, heat and more heat which happens to be the enemy of an air cooled motor. Having 4 gas and a live reading of measured HP and TQ (not a calculation that is one size fits all for parasitic losses whether you're tuning a 50 cc dirt bike or a big V8 chopper with a 300 mm rear tire and a billet wheel that outweighs the entire 50 cc dirt bike doesn't seem nearly as up to snuff as some of the tuning modules are getting. Understand combustion chemistry is just the first step to executing a seamless tune. Standing and holding the throttle until a "safe" AFR is achieved is not much of a tuner in my book. Especially since the same AFR can be achieved by retarding the timing and taking fuel out or advancing timing and adding fuel with that advanced timing. 4 gas a da love reading measured with a strain gauge takes the guess work out and you can rest assured your bike runs to it's best potential for the components it has on it. There's no guess work, it tell you what to do with the timing and fuel and some bikes more or less than another but you have a live reading of power so kinda hard to screw that up.
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post #10 of 17 (permalink) Old 07-28-2014, 06:13 PM
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I can't argue with all your smog BS but I don't think you are as knowledgeable about the T-max as you think you are.

and last but certainly not least, they are only targeting a predetermined AFR. That Afros not necessarily where that bike performs best and the power is linear the ought the rpm range as it should be if tune right.

You can set the T-max to hit any AFR you want at any RPM and at any throttle setting. As for your fluff adjustments on the TTS well, everyone has there own opinion and like they say, most stink.
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