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Knock Retard Issue



It's going to be warmer at idle because there is no airflow at 0 mph in a hotass engine bay. At cruise or above it should be within 10-20* of ambient.

What have you changed since the tune?
 
FoSHO99 said:
It's going to be warmer at idle because there is no airflow at 0 mph in a hotass engine bay. At cruise or above it should be within 10-20* of ambient.

What have you changed since the tune?
Click to expand...

Only the air filter...

Previous setup : Inside-Out Cone Filter - Aluminum Pipe - MAF Sensor - TB
Current setup : Dryflow 9" Cone Filter - MAF Sensor - TB
 
If you are running a "newer" style aeroforce gauge, then make sure you are scanning under "knock 1", and not the knock 2 or knock 3 parameter. I drove with the gauge for a year thinking I had crazy spikes of KR at WOT (sometimes up to 7-8*), because I had it set to knock 2 and not knock 1. Knock 1 is for GM cars while knock 2 and 3 are for other vehicles. With it set to the correct scanning parameter for KR, I now just get "blips" of knock under hard throttle usually under 1* depending on the weather. Just an FYI...
 
crbquist said:
If you are running a "newer" style aeroforce gauge, then make sure you are scanning under "knock 1", and not the knock 2 or knock 3 parameter. I drove with the gauge for a year thinking I had crazy spikes of KR at WOT (sometimes up to 7-8*), because I had it set to knock 2 and not knock 1. Knock 1 is for GM cars while knock 2 and 3 are for other vehicles. With it set to the correct scanning parameter for KR, I now just get "blips" of knock under hard throttle usually under 1* depending on the weather. Just an FYI...
Click to expand...

Yeah it's under knock 1, for some reason I took the time to read the booklet :th_winking: So after 94 and putting in back to the old setup I have blips of 3-4, 5 under big stress but drops to 0 afterwards...I think spikes are false knock. Neways, like I said, I haven't seen performance issues yet...I can stop worrying about it I think :cool:
 


KR is the result of the sensor reading something.

Whether or not its detonation is another story.

Regardless it will affect performance by pulling timing.
 
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