SDL and 4x EGT alert options

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SDL and 4x EGT alert options

Postby bazeng on Thu Nov 01, 2012 9:17 pm

Hi All,

I will.be running a 4 channel EGT amp to the SDL.
It will be used on a 4 cylinder monitoring each exhaust runner.

What can I do on the SDL to monitor any possible issues that may occur with the leaning out of one cylinder?
My thoughts are:
1. Tune the car, log the EGTs
2. Use log to determine normal egt temps and setup alarms that will trigger if any temps go above the logged values using rpm / egt temp as axis.

Is this achievable?
Are there any other options?
bazeng
 
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Re: SDL and 4x EGT alert options

Postby Holmz on Fri Nov 02, 2012 2:09 am

Are you looking for the whole engine to be out?
Or one cylinder to be different than the others?
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Re: SDL and 4x EGT alert options

Postby bazeng on Fri Nov 02, 2012 4:01 am

Either.

Anything that will put the engine at risk.
Especially with this e85 injector blocking goo that i see online and on friends vehicles.
bazeng
 
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Re: SDL and 4x EGT alert options

Postby bazeng on Fri Nov 02, 2012 4:03 am

I will be linking the alarm to an output which will trigger the ecu to go into either boost cut or ignition / fuel cut.
bazeng
 
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Re: SDL and 4x EGT alert options

Postby Holmz on Sat Nov 03, 2012 11:17 am

bazeng wrote:Either.

Anything that will put the engine at risk.
Especially with this e85 injector blocking goo that i see online and on friends vehicles.


Then you may want to compare the 4 EGTs and when one deviates higher then the rest, then that may give you insight into lower fuel flow on that injector.
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Re: SDL and 4x EGT alert options

Postby bazeng on Sun Nov 04, 2012 12:36 am

Is that achievable in the software?

If the difference between all 4 signals is greater than a certain percentage, activate output x....
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