What is up with my Timing?????

[92 AWD ECLIPSE]

I just pulled my first datalog the other day, cuz my car is stuttering under barely any throttle. And tried to set my base idle and base timing. Well my base idle is at like 800, which is pretty good. And since i didnt have a timing light, i set my actual timing, according to the logger, to 10 degrees btdc, which should really be a base timing of 5 degrees btdc. So i think that is fine, and when the car idles, it shows my timing to be 8-11 degrees btdc(actual timing), which i think is normal.

Here is my problem

My timing is hitting 35-40 degrees before i even hit boost, and i can barely even give it 30% throttle, when i barely hit the gas, the turbo screams, and the boost goes up, then the car bogs. I tried showing the log but it didnt work.

All I know is that the timing is about 28-38 degrees any time i am not idling, and there was no knock, so i have no idea why my ecu is advancing it so much. Any help would be great.

Thanks in advance
Rob

 

[CanadianTSi]

The ECU always runs high timing off boost, when you build boost the timing should get pulled down to 9ish and then climb back up from there.

 

[steve]

Explain to me how you can set the timing without a timing light?

On your 92 ECU has no reference other than the CAS to crank or cam position. It has no feedback to validate that the CAS timing signals are correct. What your doing when you set the base timing is actually synch'ing the CAS to the actual crank angle so that it's signal to the ECU is really 5 degrees BTDC. The ECU assumes that the CAS is correct and what it reports is the advance it's applying relative to that. In addition you can't have the datalogger hooked up when you set the timing. Grounding the DLC mode pin causes the ECU to go into set the Base Idle Speed mode when the check timing connector is also grounded. http://www.technomotive.com/howto/datalog/dloginstall.htm#side

So go back, and disconnect the datalogger and set the Base timing with a light, then set the idle speed to 750 like the ECU expects, so your ISC is in the correct range. That's the only way you can that I know of.

Steve

 

[92 AWD ECLIPSE]

ok I'll try that. Thanks for the help.