I'm doing a Stage 2 on my '07 Street Glide. My local dealer has all parts ready to go, except for the Race Tuner software. It has been on back order for several weeks. Today, I found out that the back order has been extended and will go out at least another three weeks.

My Service Advisor called and suggested I go with a Twin Tec fuel injectionmanager instead of the Race Tuner - the price being the same for either product. I am not sure ifthe Twin Tec productis a better way to go, or if it's just a way for them to get me out the door quicker. I am patient and can wait another month ifthe Race Tuner is a better product. On the other hand, if the Twin Tec unit is a better choice, I would go that way.

Which of these two products is better?

Thanks.
Steve

 

Wait!

 

Why's that?

 

Update: I have confirmed that the dealer's suggestionisto go with this specific product -

Daytona Twin Tec - TCFI Gen II Fuel Injection Controller
http://www.daytona-twintec.com/TCFI.html

The cost for this product is nearly the same as the alternative (which is the Race Tuner software, installed, and dyno time to set maps to peak efficiency).

So ... I'd like to determine which is the better way to go - the Twin Tec route or the Race Tuner route? It appears that the Twin Tec unit is better technology, and it adapts to changes in the future automatically (and is supposed to do so much better than the competing products). However, I do not know enough about this stuff to know which route is ultimately better.

Your input, and supporting evidence or thoughts, is much appreciated. Thanks!

 

If your wrencher is adept at tuning with a DTT then by all means, go for it.

 

I have the DTT installed on my ride,installed and tuned by me. It is great technology and it does learn as you ride. Only thing that you ay want to consider is learning how to operate the software and tuning system yourself as it does take 4 or five rides to get dialed in perfectly, but I can speak from experience, this tuner will get the most out of your build, and will also eliminate the need to go back onto a dyno if you cange anything in the future.

There are a handful of us on the forum running the DTT and I have not heard a negative yet. If you tech is adept with the system, and is willing to have you come by two, three , for times after riding to dial it in, then by all means, this is the way to go !

 

Thank you for the feedback - it's been difficult to find somebody who is using this product.

If the system learns on it own, and takes 4 or 5 rides to get dialed in on its own,then why would I need to return to the tech (the dealer, in this case) to get it dialed in?

Thanks...
Steve

 

Steve,
You wont be disappointed at all.... I have been running it on a stock motor cause I was tired of crappy dyno runs... So i installed it and it is great. as for tuning... you will be amazed at what you can do and what you can cure by just looking at the information. PhilM (current BOTM) and myself have been going indepth with this thing to understand what does what and how to improve points. Im actually going to head over nad see if I can get on a dyno this weekend and do a comparison of the PCIII tune to the DTT... Then Ill do a build and of course compare after tuning. what is great is you can look at areas and see where things are just not perfect and do runs to auto adjust those areas.... I have actually created a install guide for the DIY peeps. If you have some questions fire away .... Like Dalton said its a great product and tunes similar to the sert.... You will love it......

john

 

This system look's very similar to the Zipper's ThunderMax system. Am I correct in saying so? If so, how does both stsyem's compare? Pro's/Con's? thx, Rich

 

Altough the syste learns, there will be adjustments needed. The original setup file for the 07's is quite rich at the beginning, and may need some adjustments to the A/F ratio along with what is called "normalizing" of the block learn management tables after riding. This may need to be done a couple of times. Also, the setings of the IAC and TPS may need adjustment more than once to get everything right. You have the option of seting the A/F where you want it at certain rpm and throttle positions, very useful if you happen to have a ping or want to tune more for performance, or for fuel economy.

With SERT, these adjustments are done on a dyno, and with this system these too can be done on a dyno but it is not really necessary if you have someone that understands the programming capabilities of the system. You can go to http://www.daytona-twintec.com/and read up on the TCFI II system to learn a bit more about its capabilities. I know of persons with SERT that have had to make multiple trips back to the dyno to get it right and each trip costs money. You can avoid that with the TCFI II system.

Once tuned in this system far surpasses most anything on the market, but it does take a bit of work to get it right.