Originally Posted by Guru

They were sharp spikes to the knock voltage. At lower boost pressures all was smooth rising to maybe 0.7-0.75 volts smoothly. No knock. Higher boost pressures, it would go up smoothly to maybe 0.60-0.65 and then spike to 0.85 or higher. Was not noise. Very clearly can be seen on datalogs and I want to play more with timing I think as well as cam timing. Gonna take a while that is for sure but we'll get it.