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I've been meaning to post this since thanksgiving :roll: I guess I need more time.
This thread is starting with ...intake manifold cleaning. I told myself I was only going to paint the valve cover. Oh well. enjoy.
Summer '11 Stock


Nothing much happened just a dreaded P0421 code. Changed Spark plugs (G-power NGK), tranny and diff oil (generic 4qt GL5), motor oil 5w-20 M1 synth and oil filter. 107K miles.
This thread is starting with ...intake manifold cleaning. I told myself I was only going to paint the valve cover. Oh well. enjoy.
Summer '11 Stock


Nothing much happened just a dreaded P0421 code. Changed Spark plugs (G-power NGK), tranny and diff oil (generic 4qt GL5), motor oil 5w-20 M1 synth and oil filter. 107K miles.