Join Date: Jun 2009
Location: Winnipeg, Manitoba
|V6 Specific Discussion This area is for discussion about V6 powered Dodge Chargers.|
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Ok, so i am reading everything i can get my hands/eyes on and i am seeing a consistent statement that FALSE ST knock (non harmful) is represented by a spike during acceleration followed by a compensating reduction.... and that REAL knock would be represented acrosss the whole RPM range during acceleration...is there any truth to this?
Am i hunting ghosts and trying to make them go away when i see a sudden spike at WOT?
Don't know that real knock would be realized across the entire RPM range, I've done quite a bit of datalogging and really haven't been able to catch any consistent knock retard.
As far as tuning for a cold air intake, you may need to add a bit of fuel as the extra air being sucked in can cause the engine to run slightly lean.
As far as tweaking your 93 octane tune, every time you make a change datalog with Long term (LT) Knock Retard and Short Term (ST) Knock Retard as well as RPM so you know where the problem areas are. I believe that any number of long term knock retard is bad and more than 5 in short term knock retard is bad but I'm not sure of this.
In my experience I've been content at keeping both sensors at 0.
Also in my experience I've found that Shell 93 octane is the best for tuning and allows the most added timing.
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