it never ends, everyone has an opinion

 

True enough, and one man's meat is another man's poison, but there are certain facts on both sides that are not subject to opinion. I've posted what I think are some pertinent facts and invite the TTS guys to tell me where I'm wrong. I think there is quite a bit of misconception out there on this subject, and I may harbor some of this myself. If so, talk to me.

 

The PC-V may well prove to be the unit of choice, especially for those who don't have access to a laptop. This thread asked about the PC-III.

I don't pretend to know enough to answer all your questions on how the TTS works, but after talking to experts on both coasts I believe it works. I was unhappy with a dyno-tune, and used the TTS-generated map to correct the issues. I then took the bike back to the same tuner for evaluation, and he was (1) pissed that I had redone the tune myself and (2) unable to find any real issues with the new tune once he put it on the dyno. He checked the AFR at WOT and found it to be ideal. He desperately wanted to show me where I'd screwed up - but couldn't. The bike runs great.

The TTS is NOT for everybody. A computer-literate person with access to a laptop can get great results with it. I was able to purchase the TTS and cables to do BOTH our bikes for under $700 - and had I known, I could have saved time and money and tuned them myself without a dyno. I suspect that you are getting similar results with the PC-V, but it cost more (with the auto-tune) and you still have another device to mount and connect. It appears that you really like the PC-V, and enjoy working with it - so more power to you! I suspect you would enjoy the TTS, as well, as you like to be able to really delve into the programming. I just wanted to get my bike to run right, and I did. If I make changes to the bike in the future, I'll be able to retune it as needed.

 

True enough, but I think we need to start thinking in terms of the PCIII being a usable device that has been superseded by a more usable device. The PCV alone is similar in function to a PCIII, except smaller and with more features--but I think the real winner in this parade of progress in the PC realm is the AT option. It isn't the first to use wide-band sensors and have auto-tuning capability, but it appears to be more mature than others that preceded it with hopefully none of the drawbacks.

Believe me, based on what I hear TTS works fine. The question for my money would be what provides the most features for the dollar spent.

I don't see how the TTS-generated map can affect anything outside closed-loop mode, but perhaps I'm missing something. Maybe your original tuner's dyno-tuned map provided the proper values for WOT and other areas outside closed-loop, and you came in and tuned the cruise range, which to me is just as important or moreso since most of us are in that range more than WOT. I did that with Fuel Moto's map, as I wanted better gas mileage and tweaked that range considerably without touching the upper areas. These were tuned for maximum performance and that's where they should stay, IMO.

I have had good luck with the PC but probably would be satisfied with TTS too. I build and spend much time working on computers, so that isn't a problem, but I wouldn't consider holding a laptop while riding a particularly user-friendly operation.

The PCV-AT is more expensive than TTS at around $600 ($300 each for PCV and AT), but it isn't locked into one bike. The AT can be moved from bike to bike, but the PCV only so if the connectors and pin assignments are the same. For example a PCV for an '09 Softail will fit any FLH from 2002-2007 and all 2002-09 Dynas and Softails, but not '08 or '09 FLH's.

In fact, a trick idea for those with more than one bike would be to buy one PCV per bike with only one AT module. You could move the AT from one bike to the next, writing the trims to a base map for each which would then be that bike's new map based on real-world variables. In that case you'd be out about $450 each for two bikes, $400 for three, etc. The quandary would be which bike would ultimately get the AT module.

 

Ok, here's one last question. How do I know that dyno tech I take my bike to really, (REALLY), knows his sh--? Is there some sort of a certification or proven title that only the best dyno tech's have? Word of mouth doesn't always cut it. As I've picked up here, it sounds like there are alot of possible sub-standard tech's out there. If I'm going to fork over $300.00 to $450.00 for a dyno, I want the best I can find for my area. Hell, I'll even trailer it to'em if I think the tech's that good. Any ideas?

 

https://www.hdforums.com/forum/elect...our-tuner.html