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Author Topic: TTS or Rev Perf EMS  (Read 1743 times)

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digga25

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TTS or Rev Perf EMS
« on: March 29, 2011, 07:59:51 PM »
Can anyone tell me what the advantage is, one over the other.
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mjb765

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Re: TTS or Rev Perf EMS
« Reply #1 on: March 29, 2011, 10:39:30 PM »
This has been beat to death if you do a search, but I will give it to you in a nutshell.

Rev Performance EMS--self tuning--just plug it in and it tunes the bike itslef. You send them you ECU and they re-program it and send it back overnigth air--real quick. The system will adjust for exhaust, air cleaner and cam changes without the need for a dyno. Real nice if you want to just install something and ride. Want to change cmas down the road--do it and the system will adjust for you.

The TTS is a good tuning device if you like to play around to try to get that last ounce out of the bike. To do it right, you need a qualified tuner and a dyno. Want to changes cams later---another trip to the tuner and dyno.

I see your avitar has 2 bikes listed---the Rev Perf will go right on to the 09 since it uses the same O2 sensor location. On 2010 and 2011 you will need to either 1. install O2 bungs in the headpipe up by the exhaust ports where your 09 has them and plug the stock ones or 2. switch to an 09 catless headpipe (which is what I did).  

The TTS is cheaper to purchase, but once you add in the dyno time you will be right up there with the EMS. Both are good products and will get good results, while going down different paths.

Here is a link to an install on an 05--yours will be slightly different in the wiring since your bike already has O2 sensors, but everything else is the same.

http://www.cvoharley.com/smf/index.php?topic=58189.0

« Last Edit: March 29, 2011, 10:41:22 PM by mjb765 »
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digga25

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Re: TTS or Rev Perf EMS
« Reply #2 on: March 30, 2011, 01:01:37 PM »
mjb, why does the TTS require a Dyno tune if you are able to fine tune with the VTune feature? I thought you could get a tune close to a dynotune with this product. I have the TTS and have made four vtune runs and the bike does run noticably better but it has a few issues that I cannot remove.Off idle stumble,and an issue with my engine light,cruise controll and power loss,I have done everything that was suggested to me, on these forums and by PM s from the dealer and mfgr. Still no luck.Looking to change to the Rev Perf.
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mjb765

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Re: TTS or Rev Perf EMS
« Reply #3 on: March 30, 2011, 02:21:14 PM »
Quote from: digga25 on March 30, 2011, 01:01:37 PM
mjb, why does the TTS require a Dyno tune if you are able to fine tune with the VTune feature? I thought you could get a tune close to a dynotune with this product. I have the TTS and have made four vtune runs and the bike does run noticably better but it has a few issues that I cannot remove.Off idle stumble,and an issue with my engine light,cruise controll and power loss,I have done everything that was suggested to me, on these forums and by PM s from the dealer and mfgr. Still no luck.Looking to change to the Rev Perf.

I know what the VTune feature advertises and it may come close, but many people here who have the TTS end up using a competent tuner with a Dyno...I know I did on my last 2 bikes. Do a search and read the forums and you will find loads of info on the TTS and some info on the new Rev Perf. EMS. Haven't ridin my EMS equipped bike yet, so I can't speak for the performance. My other bikes ran good with the TTS..and even better after the Dyno tune.
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60FLH

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Re: TTS or Rev Perf EMS
« Reply #4 on: March 30, 2011, 07:15:55 PM »
Got a few hundred miles on my EMS and it works well as advertised.
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Booner

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Re: TTS or Rev Perf EMS
« Reply #5 on: March 31, 2011, 01:41:06 AM »
New member here...this is my first post...but I have to chime in, I have an 07 Street Glide that I upgraded with an S&S 106 kit with SE 259E cams, 110 CVO heads that I reworked (cleaned up and smoothed out the ports and decked .032")  and a Rinehart 2 into 1.  Did it all this myself and tried to tune it with a SE race tuner.  Got it close had it Dynoed but could never get a dead spot out of it at around 2500 to 2900 no matter what I did. So I gave up and bought the Rev Perf EMS.  I am totally sold.  I bolted it on and it fixed the problem immediately. I have about 400 miles on the bike since the change and I can say it has a seat of the pants power bad that is smooth and pulls hard from 2200 all the way through 6000.  It has never run this well.  It raises the front wheel in 1st and 2nd.  I will never waste my money an the SE race tuner again.  PS I read all the posts on this site about different tuners after I couldn't fix my problem using the race tuner and I can credit this site with my decision to buy the Rev Perf product.
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tlr

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Re: TTS or Rev Perf EMS
« Reply #6 on: March 31, 2011, 08:08:12 AM »
Booner, that is very helpful info.  Thanks for posting and good luck.
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