Hi all,

Any body knows if the UTEC gives you the posibility of changing or removing the throttle body system that closes a bit the butterfly at high rpms, or you need to make a reflash of the standar ECU to get that?

 

I haven't seen the throttle motor move at all on the 03 and 04 models. I am not 100% percent sure on the others, but I doubt it is closing. With the UTEC you can log airflow MAF V. It is always increasing as the revs raise. If it closed slightly the airflow be affected.

Thanks,

Jermaine~

 

With Cipher you can monitor the position of the actual throttle blade as well as the pedal and overlay them on a graph to compare. I just checked this, and the throttle blade does not adjust its position with revs. Once you floor it it stays wide open until you hit the rev limit.
This is on a 2005, by the way.

The only thing like this I've heard is that from the factory the throttle opens to 98% or so instead of 100, but I seriously doubt that tiny angle adjustment would do anything noticable.

 

I read about this issue in the technosquare website and others. They clam that with it's reflash can change this "feature"

 

From various dyno sessions I can say for EURO SPEC Z's that (although accelerator was floored of course) the actual TB position would start at approx. 95% and would gradialy close to 85% until the end of the run.

Don't know if this applies to US SPEC Z's however.

 

When do you guys think you will have the speed limit removal and the DBW control upgrade out?

Az

 

No clue, our schedule has been wrecked due to the last week of troubleshooting.

Jermaine~

 

Then, you must first reflash your ECU with technosquare software and after that install your UTEC to take full profit of it?