gee, im not sure i asked this before, but when and where do i get in on this GD?

 

so would this be good with the vi or would the jwt still be better?

 

Some more info:

Group Buy is on NOW... Rev limiter is set at 7k. But if you want it at a higher level, then you may custom request that.

the 96 ECU works in a 97, granted you get the same tranny versions (i.e. run a MT ecu in an MT car)

TechnoSquare's customer service is second to none, any questions you have, they can answer them. Turn around time for the ecu upgrade is 3 days. They ship out their ECUs SAME DAY as they receive it. Saturday delivery is extra.

they used my trusty maxima to find the rev limiter (please thank Deezo for the ECU... sorry for the delay.. this was their priority after SEMA...)

if you are interested, please contact TS directly...

--Cheston

 

wow very nice now u have me interested.......is there anyway TS can provide how to rewire the 98 ecu harnes so that the 95-96 modified ecu wil work... and do they have programs such as FI or N2O applications?

 

hmmm. i think i will call on monday and see if they can reprogram my current TS ECU.


-Jason

 

You only need to move one wire and add the correct O2 sensor if your 96 ecu is Fed spec
http://forums.maxima.org/showthread.php?t=350138

If your 96 ecu is cali-spec, you need to do the above + add the FPCM and dropping resistor in to your harness per the 96 FSM circuit diagram.

 

im N/A with a MEVI, you think 7200rpm is too high? Should I just stick with 7k?

 

I have a JWT with 7000 and wish I had 7200. Nobody can shift exactly at redline so much of the time, you will actually be shifting ~200 give or take below cutoff. I think 7200rpm is a good choice and it would be nice having a shift light as well so that shifting is a no brainer.

 

You took it to 7500 on stock manifold and wonderd why his auto was right with you?

 

I know ill be giving them a call for this upgrade. YOu cant beat $50.

 

poor 99 maxima guys, such good people with no hope.

 

Where is this deal? Don't see in GD section??

 

So when they raise the rev limiter do they raise the Speed limiter as well or do we need to ask them for that as well?

 

If I'm correct, Cheston used my ECU to get this moving. You guys can thank me too.

I should have it in a couple of weeks.

Thanks for getting your car over there Chesty.

 

well thanks deezo! GD is starting is a couple weeks?

 

sweet news.. finally a good way to avoid jwt..

and please people.. read the f'ing thread.. cheston said twice now "the group deal is on NOW.. call ts directly for gd price".. stop asking when the group deal will start

 

so does anyone have a stock 95 computerlaying around

 

technosquareinc.com
go to "products"
then click "new"
then fill out sheet and follow ship instructions

 

Actually you guys should go to there website, fill out the order form and send it in with your ECU. They will need to know what mods you have done to the engine.

 

just trying to get all the facts, wasn't there a complaint about the upgraded ecu being too lean at wot?

 

nope its a little lean up until about 3500 and its just about perfect all the way to redline. here is my dyno sheet scanned with several bolt ons and the TS ECU.

 

Will it hurt anything being a little lean up to about 3500, especially since I would think that is where most of us are much of the time?

 

Just curious do these ECUs respond to a S-AFC tune and not pull timing like the JWT ones do? If I get an ECU I don't want to send it back to be re-programmed for every engine mod I do.

 

thanks for clearing it up

 

Why would you sent it to be programmed for every engine mod? It's the same program whether you are bone stock or whether you have every single bolt on available. It's still the same program.

 

well...here's the deal...aftermarket ecu's are still ecu's...they tune based on the maf readings and O2 readings...they just have new A/F maps and IG timing maps put in there that are more aggressive...so most mods on cars do exactly that, be it an intake or exhaust, they involve flowing more air which in turn the maf or O2's read and the reports to the ecu....then the ecu makes a determination as to what AFR to achieve by metering the DC's on the injectors....

so no, you won't have to send it in for every mod...our ecu's can adapt for every bolt-on N/A mod you can throw at it....

 

I was posting in regards to what Deezo said.

If the timing get pulled as such on the JWT ECUs that is not good for some of us who like to tune A/F and have a aftermarket ECU.

What interests me is that they want to know what mods you have... To the best of my knowledge JWT doesnt ask this for Maxima ECUs, unless its a major mod (IE Turbo, SC, NOS).

 

I think the part of the form is really for major mods....like turbo, sc, nos, etc....minor mods they use the same program...

 

They aren't tuned by O2 sensor signals since the only time they make a difference (open-loop) the O2 sensor signals are being ignored. They revert to programmed A/F and ignition maps based on RPM and MAF voltage, so they don't adapt. Closed-loop performance will be exactly the same as with the stock ECU.

 

I'm not sure but I do know you will only be able to make small adjustments with the AFC.

Dave: I don't know why they asked for it when I talked to them a couple of days ago but they need it for some reason. Maybe Cheston can pop back in and explain it for those who are interested. I told them about the effects of having the VI (losing midrange). Their programmer has been in Japan (learning some new things I hope) so let's hope it all means something a little different.

 

Will it work without the check engine light? There are two productions of the 97. Mine is production date 03/97. Did Nissan even change the ecu before the second 97 came out?

 

Why do they always have to accomplish things and have the best deals when I don't have the money. I mean my old school stillen y-pipe just got a hole in it and I bought the cattman y-pipe and I just bought tires for my 18's. Then I come and see that there is an awesome sale price for TS's ECU and now I have no money. If only I had something to sell for $400.

 

Maybe this is why it is so lean till 3K. Maybe it is their effort to decrease the low-end loss as much as possible by leaning it out to the maximum safe level. Just thinking... Its pretty rare that your on it below 3K so realisically that isn't very dangerous.

 

Maybe this has already been asked, and if that's the case, I'm sorry, but with this new "aggressive" ECU tuning that turns out more horsepower, will this be harder on the engine with day-to-day driving??

I plan on owning my max for years to come, so I don't want to prematurely damage the engine...

 

no....the TS afr seem to very safe....I have never had a problem and you can ask other's on the forums here also....if it caused engines to detonate, they wouldn't sell...so they have to keep it safe for everyday driving....

nismology, what I mean was in open loop (when WOT)....it does not use the O2 readings...I know when in closed loop, it uses O2 input...nonetheless, the ecu is still capable of metering even minute changes when you get different mods within reason...so even though the TS ecu is aftermarket is still has the capability to adapt to new mods....so giving TS a list of your mods unless you are boosted (needs richer AFR) or spraying (needs more conservative timing), is useless...and I was talking about the less then wot conditions...where they do in fact adapt for mods....so there is no need to specifically program for them...

 

Open loop= No O2 readings. You got 'em backwards

Thing is with these aftermarket ECU's, closed loop operation is like stock. You won't feel a difference at 20% throttle. Only when it goes open loop do these changes take effect. It basically overrides the stock ECU's open loop A/F and ignition maps. These maps do not change. They are fixed. So the ECU doesn't adapt, per se.

 

If TC could only make it so that it will have two diff programs on one board. I would get this in a heart beat. One for NA and one where it will retard the timing just a little when I am running juice. This way no need for colder plugs.

 

Assuming this is true...

Does this mean that if (AFTER the TS ECU reprogramming without a MEVI) I decide to get a MEVI, that I wouldn't have to send it back in to get it reprogrammed again to optimize the MEVI performance??

....because that would definitely seal the deal with TS for me.

 

Anyone want to help me out with my MEVI/TS mod question?? I'll definitely be getting the ECU upgrade if I don't have to send it in after a MEVI...

(see post #78 for full question)

 

of course you wouldn't have to send it back in, what this thread is about is that for the longest time the TS ecu didn't raise the rev limiter...the new program is the same as the old on, only with a higher rev limiter....so just get the ecu now and you will get the new program with the raised rev limiter and be done with it so when you get your mevi, you'll be good...