3800 Manual Camaro knock in 3rd car under boost, but not in 2nd under the same amount of boost, what could cause this?
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3800 Manual Camaro knock in 3rd car under boost, but not in 2nd under the same amount of boost, what could cause this?
What afr? What rpm? My turbo 3100 would knock in 3rd, I had to play with the afr. When it'd drop in 3rd the engine load would be so great at the lowered rpm, I had to raise the 2-3 shift area to keep the Rs up, and I believe ultimately lean up the afr because it kept knocking on whatever I had at 8-10psi. Lower spark isn't the answer sometimes. It just makes a nastier, richer mix that'll cause a lil misfire and result in some pinging ... sometimes