North323

Ok I plead dumb on this. I searched the forum and could not find what the J&R ECU is. Can someone explain it? I know I jave an ECU in my TL but what is this mod and is this something I should consider? I read the 'best chip'thread which prompted this thread. Lastly, can I really get +35 HP gain?

pohljm

Dude the 16th thread in this forum is for the J&R ECU Group buy???????

North323

I know. I want to know what it is before I buy. That thread tells me nothing about what it does. Thus my question.

SharksBreath

iTrader: (33)

^are you serious?

is he being serious?

North323

Yes, I said I plead dumb on this. I know its some electronic related device to tune the car but thats about it.

SharksBreath

iTrader: (33)

fair enough. you know the thread that tells you nothing about what it does? go read that one, it'll tell you everything about what it does.

North323

Thanks, you chimed in twice and could have put a one or two sentence blurb. So I will go read 51 pages. From one TL owner to another Thanks for all your help.

SharksBreath

iTrader: (33)

you're very welcome.

the fenda rolla

The J&R ECU is a piggyback unit that plugs in to your OEM ECU which allows you or a tuner to change various parameters of your engine's performance, such as fuel timing, AFR, VTEC engagement, ignition timing, plus much more using computer software ...And yes, by changing those parameters plus having the right supporting mods you could gain a decent amount of power. But it's still in various stages of development/perfection since it's pretty new to the TL community. It has potential and has already proven positive results. Like Shark said, if you haven't already, it might be beneficial for you to read that 51 page thread...

KN_TL

iTrader: (3)

Do yourself a favor and DON'T read that groupbuy thread. You'll get to page 51 and wonder how you'll ever get that time lost back.

If you really want a straight answer, call Rodney and then go to ms3efi.com and read up on what the Megasquirt 3 can do.

However, as noted, this is not a perfected product. If you want something to learn with it's a great thing. If you expect something to just plug and go, you'll be disappointed. It does have great potential but you have to be willing and able to do some work.

bouncer07

You'll gain power with Jpipe, Primary cat deletes, and cat back for about/around -/+ 35whp. The ECU was explained two posts above. With OP's age difference to some of the tuners here, we have to educate them, even if it's been done. LOTS of PEOPLE love to chit chat on a thread that makes it sOooooo Long that no moderators come in to keep the thread in check. So it's no use for reading if I were you.
Best advice is if you're going to keep the car, mod the car, do it simple by doing the exhaust flows first. Get the ECU when you want more air in.

EvilVirus

iTrader: (8)

Very informative however, the MegaSquirt (J&R ECU) is not a piggyback but a Engine Management Systems (DIY systems) capable of full standalone engine management They were designed with education and performance in mind, so that the do it yourselfer could learn the in's and out's of engine management and tuning, while learning a good bit about electronics in the process if you choose to build the unit yourself.

EvilVirus

iTrader: (8)

ECU is not if you want more air in but to manage both air/fuel ratio preventing from running too rich or lean.

KN_TL

iTrader: (3)

While this is a true statement, it is not correct with the 3G TL implementation.

The stock ECU is still being used for some functions like DBW and cruise control so the MS3 is piggybacked with it taking over the engine management portion.

It controls much more than just A/F, it can do that and ignition timing, knock detection, multiple map switching, etc, etc. All in both closed and open loop.

The statement in bold is the key to success with this. Thank you!

losiglow

iTrader: (1)

Yeah, I read that entire JnR group buy thread. Long ass thread with lots of digression. But it was informative nonetheless. Unfortunately it actually lead me to not consider purchasing it at the time. Once it's a bit more refined I'd be happy to drop $1400 but not until then.

North323

thanks for all the input. really helped me out and I learned something

bouncer07

Basically the same thing, I'm not going to go deep in this subject as if the OP wants to learn more on it, he can do so.

rockstar143

iTrader: (6)

This response implies more that you were too lazy to read the 51 pages or didn't understand what you were reading. If you had said that originally you would have probably gotten a more straight forward response...your OP state something more along the lines of not being able to find out what it was.

Either way, it's supposedly going to give the ability to tune the engine and safely squeeze out more horsepower. A lot of money, still in R & D and not fool proof just yet and a long backlog to get it...IIRC...I'd be interested in a few years, when it's a simple plug and play solution.

J.

EvilVirus

iTrader: (8)

I comprehend on what you are saying. However, we are trying to break it down to where OP here can understand what this ECU can do etc.
By giving him a statement about "if you want more air," he can easily mistaken that for something totally out of context.

Xiomaro

iTrader: (5)

serious, lol

it gives you total control over the motor basically

anx1300c

iTrader: (2)

That will never happen. At least not if you expect optimum results for your particular application. Otherwise, it's always going to have to be dyno tuned.

rockstar143

iTrader: (6)

...is it wrong for me to pray for plug and play?! Even if it never comes to fruition?

anx1300c

iTrader: (2)

Hell no!

rockstar143

iTrader: (6)

Hahhaha...
This thread is probably going to go better than the ACTUAL JNR group buy thread.

veggiemonster

iTrader: (1)

well, no.

it's not a piggyback. it's a stand alone MS3(megasquirt v.3) in parallel with your stock ecu. a piggyback is a soldered chip or a OBD controller/flasher. HUGE difference, since you add a whole 'nother brain for the car, instead of just 'teaching' the first 'brain', if that makes sense

maharajamd

iTrader: (1)

There is no reason the ECU can't be plug and play....

The tune however...

KN_TL

iTrader: (3)

Now that's splitting hairs......It's doing both interception and tapping so I don't know what that would be considered.

Technically this is a plug and play device as sold with the emphasis on the play.

To connect it up, all you do is provide power, ground and optional wideband input, boost and wmi output (much more if so desired). Everything else just plugs in. The part that JnR "perfected" was all of the various resistor and jumpers that makes the MS3 so flexible along with what wires to tap or intercept to allow full engine management and keep the stock ECU happy.

veggiemonster

iTrader: (1)

ahhhhhh I see.

I just mostly wanted to clarify that its not a cut and dry piggyback, a lot of people think of a completely different animal with that term

EvilVirus

iTrader: (8)

Its more of a SMS than a piggyback. However, in this case it seems to be both? A piggy management system.....PMS?

KN.TL06

So let me get this straight the JandR ECU work for all models from 2004-2008? there's not problem with the stock ECUs from the 2004-2006 overriding the tune? and so far is there any update about whether the ECU has been more refined? sorry I'm one of those whom really doesn't want to search through 51 pages of facts and mumbojumbo lol! because there's a lot more junk on there then needs to be read.

KN_TL

iTrader: (3)

Nothing new over the past several months. The main issue I have is the idle going crazy on occasion.

I see you have an 06, AT or MT? FlashPro may be a better solution if you've got an MT.

bouncer07

Off topic, is Rodney banned?

Noober

iTrader: (7)

^ wonder if anil and everyone even got their units lol. I know I never got my wideband.

KN.TL06

Hey Kn_tl I have an 06 AT but I remember reading that flashpro and hondata is not applicable to 04-06 ECUs only to 07-08 because the stock ECUs override the tune. the only solution i can think of is to throw in a 07-08 base ecu or the JandR ecu system.

KN_TL

iTrader: (3)

Both true statements.

I have an 06 6MT and currently have a J&R MS3 installed. It is fine except for idle. Not sure about everyone else but I haven't been able to dial that in. Sometimes it's great, other times it's all over the place.

I currently have all the parts in hand to try and retrofit an 08 6MT ECU. You are screwed having a 5AT as the electronics are too different to consider a retrofit. I am just waiting for the weather to break so I can get into the garage. Eight inches of snow over the past couple of days didn't help.

maharajamd

iTrader: (1)

^Eagerly awaiting the day you start working on that retro

rockstar143

iTrader: (6)

Me tooo

SharksBreath

iTrader: (33)

so....are people still waiting for their ECU and accessories?

anil? justin? feji?

maharajamd

iTrader: (1)

^Lol. I haven't heard otherwise. Man what a debacle that was.

SharksBreath

iTrader: (33)

i would have made a trip down to boca raton a long time ago. at this point, this should be considered theft and a criminal act.