Secondary Air Injection valves...
#1
MBWorld Fanatic!
Thread Starter
Secondary Air Injection valves...
Something just occured to me... if a Software change as per the dreaded Secondary Air Injection ECU flash can rob you of power surely modifiying these valves can result in gains..... ??
I remember the nay sayers having a pop at me about these but recently saw MKB as well as another tuner had modfied units too. Anyhow for those of you looking for that little extra maybe you should look into these.
And if you find out how they link it into the software to get it to work - I'd love to know too....
I remember the nay sayers having a pop at me about these but recently saw MKB as well as another tuner had modfied units too. Anyhow for those of you looking for that little extra maybe you should look into these.
And if you find out how they link it into the software to get it to work - I'd love to know too....
#2
MBWorld Fanatic!
Something just occured to me... if a Software change as per the dreaded Secondary Air Injection ECU flash can rob you of power surely modifiying these valves can result in gains..... ??
I remember the nay sayers having a pop at me about these but recently saw MKB as well as another tuner had modfied units too. Anyhow for those of you looking for that little extra maybe you should look into these.
And if you find out how they link it into the software to get it to work - I'd love to know too....
I remember the nay sayers having a pop at me about these but recently saw MKB as well as another tuner had modfied units too. Anyhow for those of you looking for that little extra maybe you should look into these.
And if you find out how they link it into the software to get it to work - I'd love to know too....
#3
MBWorld Fanatic!
Thread Starter
Thanks!
Also heard the torque limiting issue on tranny is activated by a CAN bus
command from TCU to ECU where the ECU pulls timiing. Modded ECU''s are programmed to ignore this signal from the TCU.
Also heard the torque limiting issue on tranny is activated by a CAN bus
command from TCU to ECU where the ECU pulls timiing. Modded ECU''s are programmed to ignore this signal from the TCU.
#4
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S600TT, R350
TQ limiting is not just opening bypass valve. It is based upon load vs. rpm value. Depending on speed, rpm, load and throttle opening - DME will either bypass boost, cut timing or add fuel. In combination of those three.
I still do not know why anyone would offer new billet secondary valves. When I have more time, I will look into it deeper.
I still do not know why anyone would offer new billet secondary valves. When I have more time, I will look into it deeper.
Last edited by Vadim @ FD; 06-24-2008 at 01:31 PM.