Actually it was recommended to me when I bought the cam package.. interestingly enough, I broke a spring doing a burnout.. And was surprised because I never thought I'd break one..
I installed plugs, wires and coils because I had 70,000 on them and was getting around d 7 degrees of knock.. Figured I'd get a hvtb whole I was at it..
Car runs so much better at part throttle, but when I get into it, I'm still seeing allot of knock..
Anther forum guy suggested I change my o2's since they are stock.. That and I need to get a custom tune.. I currently run a canned tune
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