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202 Posts
Chevron Techron is good. I've also had great luck with Berrymans B-12 ChemTool, as well as Seafoam. Berryman's is about 1/3 the price of Seafoam and does a great job of 'livening" things back up if it begins to feel sluggish or mileage drops off. I usually drop a bottle in once every 10-15K miles. (don't get it on your paint!)
