Apexi AVCR setup? Whats wrong??

[slowgsr]

Hi, i was recently tuned on the dyno, tuned to 22psi, no spiking creeping etc.

This was on setting (b).

Now, tuner did everything, said setting B was 22psi, setting A was about 17psi and setting Off was ~14psi. (wastegate spring)

Ok great. Now he shows me how to flip though A B and Off, and then go back to monitor.

On the street, ALL I can get is 1bar, setting a and b both net me 1 bar, but when i was with him, setting A gave me my 17psi on the street tuning part.

For my duty cycle its 33% straight across at all RPM intervals, for both A and B. And for boost, its 1.15 for B and 0.65 for A right across at all RPM intervals.

I can not figure this thing out! And its a huge pain, all my vac lines are good, connections are good etc etc..

Is there a special way to switch between A and B? Or do you just go to it, click the arrow until the desired setting shows up then your good? What could be wrong??

The solenoid seems to 'humm' or buzz when the i turn to ignition, and power up the AVCR, so i believe its working and not a problem with that.

Thanks!!

 

[crimsondragon]

Uhm...what? You're switching between too many units of measurement. The AVCR uses kg/cm2 for boost. Most boost gauges use psi. Why are you refering to bars?

If you want to choose between A, B, and Off, just click the arrows till it pops up, then hit Previous and return to monitor. Clicking next will take it to adjusting the boost and duty and other stuff. The tuner did something wrong because 1.15 kg/cm2 is equal to 16.4 psi. 0.65 kg/cm2 is equal to 9.24 psi.

If you want 22 psi and 17 psi settings, adjust the boost to 1.55 kg/cm2 and 1.2 kg/cm2 respectively. Put your duty to say around 30% first then WOT your car. If it's lower than target boost, raise duty. Do not raise it in increments of more than 5%. Be smart and use common sense. If in doubt, raise it by 1% or 2%.

After you have hit it to target boost, WOT in different gears to make sure it's the same throughout each gear. I have mine set to 1.05kg/cm2 and it hits the target fine at WOT from a standstill but if it's WOT from 2nd gear, it'll spike all the way to 1.09 kg/cm2 which is not much but it's still a spike. T-25's are too small for the AVCR to self-learn on since it'll only self-learn if the conditions of 80% throttle is reached and boost is steady are met. My boost drops off to around 12psi by 5.5k RPMs, not even to redline.

 

[slowgsr]

Thanks, ill give it a shot.

I said bar because my boost gauge is in bar, and it is always bang on 1 bar no matter what setting i use.