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post #1 of 19 (permalink) Old 03-03-2007, 10:11 PM Thread Starter
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What to expect from a TRE

Just like the title says. Are they worth the money and could it cause any problems? Thanks.
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post #2 of 19 (permalink) Old 03-04-2007, 12:13 AM
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No it's not worth the money unless you have a 1k or above. No problems unless you have a bad chip though there are some horror stories like anything else. Save your money.

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post #3 of 19 (permalink) Old 03-04-2007, 12:36 PM
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Originally Posted by SPOOLN GSXR
No it's not worth the money unless you have a 1k or above. No problems unless you have a bad chip though there are some horror stories like anything else. Save your money.
1K? It smoothed out the throttle on my 750 for the low gears. Also gave a little boost performance wise in the low gears.
 
post #4 of 19 (permalink) Old 03-04-2007, 10:31 PM Thread Starter
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I got a no and a yes? I was looking for anything that might break and cost me an arm and a leg to fix. I found this on ebay doesn't seem too expensive.
http://cgi.ebay.com/ebaymotors/ws/eB...2285862&rd=1,1
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post #5 of 19 (permalink) Old 03-04-2007, 10:33 PM
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On the new GSXRs it will make the gear indicator always show 5th gear. I am not sure on what kind of long term damage that it could cause on the hard parts though.

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post #6 of 19 (permalink) Old 03-05-2007, 01:16 AM
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Quote:
Originally Posted by Fast Glass
1K? It smoothed out the throttle on my 750 for the low gears. Also gave a little boost performance wise in the low gears.
You could get the same results from a PC. I talked to a few other shops that specialize in road race bikes that slapped them on the dyno. The TRE can make a 600/750 feel smoother but, there is sometimes a whp lose to create the illusion. A PC could do that and more. More low smooth low end wtq and whp. I really do feel that there are better ways to spend your dollar. The TRE is highly overated and results are exaggerated. No offense to you, it's just some of the dyno charts that I have seen with them.

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post #7 of 19 (permalink) Old 03-05-2007, 10:02 AM Thread Starter
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thanks for the feedback all. I'll probably start shopping for a PC. Thanks.
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post #8 of 19 (permalink) Old 03-05-2007, 12:05 PM
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Originally Posted by SPOOLN GSXR
You could get the same results from a PC. I talked to a few other shops that specialize in road race bikes that slapped them on the dyno. The TRE can make a 600/750 feel smoother but, there is sometimes a whp lose to create the illusion. A PC could do that and more. More low smooth low end wtq and whp. I really do feel that there are better ways to spend your dollar. The TRE is highly overated and results are exaggerated. No offense to you, it's just some of the dyno charts that I have seen with them.
Thats all good, but for the street rider who might make a track day every now and then, $20 compared to $300 is a big difference. Especially when they're not worried about getting every last hp out of the bike.
post #9 of 19 (permalink) Old 03-05-2007, 12:16 PM
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Quote:
Originally Posted by Fast Glass
Thats all good, but for the street rider who might make a track day every now and then, $20 compared to $300 is a big difference. Especially when they're not worried about getting every last hp out of the bike.

That was my reasoning when I got one. I remember noticing a difference when I first installed it, but now I don't remember what it used to be like before.

One thing I did notice and did not like was that it suddenly liked to stall leaving from dead stop in first. I have to bring the RPM up a little more than I was used to, to prevent that from happening now.


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post #10 of 19 (permalink) Old 03-06-2007, 10:46 AM
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One thing I did notice and did not like was that it suddenly liked to stall leaving from dead stop in first. I have to bring the RPM up a little more than I was used to, to prevent that from happening now.
I had to raise my idle rpm up a couple hundred. I've got it set for 1400 and runs like a champ.
post #11 of 19 (permalink) Old 03-14-2007, 04:42 AM
 
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Does the TRE mod have any long term effects on the bike that anyone knows about...Im thinking about getting the TRE from Ebay that has the gear indicator...I was kinda surprised when I got the bike that the front end didnt even hint in wanting to come up...will this mod do anything about that kind of bogging in first gear..will the front end come up without dumping the clutch?
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post #12 of 19 (permalink) Old 03-14-2007, 06:36 AM
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Quote:
Originally Posted by genes81
Does the TRE mod have any long term effects on the bike that anyone knows about...Im thinking about getting the TRE from Ebay that has the gear indicator...I was kinda surprised when I got the bike that the front end didnt even hint in wanting to come up...will this mod do anything about that kind of bogging in first gear..will the front end come up without dumping the clutch?
There is no long term effects. You won't have to worry about your bike going to rehab. Just make sure that it isn't an EBAY knockoff. If it is there is a possibilty that you could cause damage to a motor (worst case scenario). I heard a few of those cases(don't buy cheap products). I personally don't know how to tell the difference being that I don't use one.

If you want it to loft the front wheel I assure you that it will. That mod by itself won't make a substantial difference, it's more subtle. The bogging is from the lack of wtq on the low end. Inline 4's are know for that plus they give you track gearing so it's not designed for launches. When professionals launch, their rpms are at 8+k so anything below 4.5k on the street I'm sure is soft. The front end will come up but, you have to put a bit of effort. You can also do power wheelies and yes there is enough whp to make it happen. It's really how you ride that determines how your bike will respond.

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post #13 of 19 (permalink) Old 03-14-2007, 03:21 PM
 
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Thanx, I guess I'll give it some time and practice! Oh and thats good news about not having to put my bike in rehab!!LOL I appreciate the info.
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post #14 of 19 (permalink) Old 03-15-2007, 06:58 PM
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I don't think you'll notice too much difference with a TRE installed on a 600. Maybe a little more on a 750. I have one on my 600, but I got it that way so I never rode it without one.

I have TRE's and PCIII's installed and dyno tuned on both of my bikes. For my 1k, I had them done at the same time so it's hard to tell how much of the change was due to one or the other.

Basically, the Suzuki ECU uses different ignition maps for each gear. A PCIII by itself modifies only fueling maps.
A TRE does not modify ignition maps the way that a Dynojet ignition module does, it merely restores unrestricted factory ignition timing.

Suzuki's ignition maps retard ignition timing at partial throttle in the lower gears, reducing hp to some degree until you go WOT. For all models, 5th gear is totally unrestricted (not retarded). For 1k and 'busa models, 6th gear has a top speed/rpm limiter.

They do this for a variety of reasons. To save you from yourself, perhaps?
Probably to create the impression of smoother throttle response as well.
Possibly for noise and/or emmisions reasons, too.

So, there is a potential for a little more power at less than full throttle if you can access the non-retarded ignition maps. How much power depends on the application. Don't expect huge or substantial gains. And remember, using full or almost full throttle accesses those unrestricted maps.

For 1k and 'busa owners, you can achieve your bike's full top speed potential with the addition of the TRE by eliminating the top speed/rpm limiter.





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post #15 of 19 (permalink) Old 04-02-2007, 02:46 PM
 
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I just installed a smart TRE on my 750 K7 this weekend......made a difference on the low gears....PCIII and Pipe on the way.......For those that it made no difference on I really do not understand.....Everyone i know that has installed them raves about the gains.....
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