Hey guys I tried a search on this and got nothing so sorry if this a repost. Hopfully I will be investing in a forced induction system shortly (nothing but APS). I was wondering if I have a technosquare ecu and an 350EVO throttle body will these in any way affect the APS kit? Has anyone had any experience with this type of instance? Any information would be greatly appreciated.

Also just a side question but I thought originally when the APS TT kit came out Strictly Z was selling it, now I see only concept Z does. Why is this? Just wondering.

Thanks Zach

 

You won't have any problems with the kit as long as its custom tuned properly. You can look on APS website for other dealers on the 350Z kits. The companies you mentioned were/are sponsors of this forum.

 

Just a quick question, why fit a 350 EVO throttle body?

Do you believe there will be an improvement in power on a 350 Z TT engine, or that the stock Z throtle body is a restriction?

I don't have any experience with technosquares generic tuning maps though I believe that you can't achieve better than a engine tune designed for the exact application, custom dyno tuning/mapping your Twin Turbo engine/system on the fuel brand/octane you use daily will definitely yeild the best power, torque, throttle response, and fuel efficiency.

Thanks

Peter

 

Thanks for responding Peter, I recently have been looking into the Technosquare ECU and they have it made out that if the cars ECU if left alone and specific modificains are installed that the ECU will compensate by retarding timing and what not, thus losing potential power. I know that only dyno tuning can really yield a modifications full potentional but it seemed that this ECU reflash would also help. And the 350EVO throttle body was designed in conjunction with the ECU so it seemed that it would be beneficial to the motor.
Anyway thanks for answering my question and for making a great product.
Zach

 

Peter, any chance you can comment on the OEM throttle body? Are you aware that Technosquare claims the stock ECU does not open the throttle body 100% at WOT?

I know from talking to you at SEMA that you have researched every restriction on this car. Any chance you would share your thoughts on the restrictiveness or limits of the stock throttle body?

 

No problem at all and I'm sure that the guys at TQ know what the OEM computer very well, I must catch up with them and have a chat at sometime. Many factory computers (ECU's) either retard timing or back off the throttle butterfly under certain conditions, this is true. This is very common on auto transmission cars, the throttle is partially closed and or the ignition timing retarded on gear change to help the auto trans live during the period that auto changes gears, this help the clutch plates and steels no end.

I'm sure this is true, there would be some parameters on an auto Z car where a reflash would be very beneficial.

I would need to investigate this issue further as i've not seen an issue with the stock throttle body to date, maybe this throttle body offers some advantage on a N/A version, I just don't know.

Thanks and my pleasure to answer you question, sorry I can't give you an absolute answer to your throtle body question.

Peter

 

I've never seen this particular condition whereas the buterfly is not 100% fully open though now that this question has been raised I will investigate further and get back to you with what I find.

Now I remember you, good to chat with you again. Yes we have bench flowed all of the inlet manifiold, all three parts plus the throttle body.

The APS engineering team is working in this area at the moment and no doubt the throttle body will be limited at some Horsepower point, should be able to provide you with this information very soon.

Thanks

Peter

 

Thanks Peter. I knew you would be digging into this, if you had not already done so. Keep us updated.

 

If you Datalog the TPS on a Manual Z (not sure about auto) you will see the Throttle close to about 80% after 5500rpm. I'm guessing this is just Nissan trying to get you to shift at redline to protect the motor for warranty reasons. TS flashes prevent this, giving you 100% to redline.

Though I'm not sure of how large a difference this makes, at least at lower boost. There isn't a large separation between the cars with the flash and those without dyno numbers at the same boost. I could feel the better top end pull after the flash at the same boost(Changed boost at the same time as the flash on the dyno. Did all the new runs at the higher boost so no good comparison dyno.) but maybe with the stock top end there isn't enough flow potential to fully use it?
Gary