Finally, the video: http://i53.photobucket.com/albums/g4...ps630f8469.mp4
The new O2 sensor didn't do anything but make the idle a bit smoother.
I've changed the oil 3 times now and the knock stays the same. I've even added Lucas and STP oil additives and no change in the sound. No clue anymore.
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93 GMC Typhoon: new money pit/PITA. Now GT3788R powered.
Boost, because sometimes atmospheric pressure just isn't enough.
"If it has tit's or tires, you can be pretty sure your going to have problems with them..."
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