I think you might be right Vinalero, the top of the valve cover says "2200", but I've never seen an Ecotec in person, so I wasn't sure. The Ecotec has different shaped pistons, right?
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*TOTALED* - 2000 Olds Alero Sedan - 3.4L 3400 V6 - WAI - Sony Head Unit -
NEW RIDE - 2005 Buick LaCrosse - 3.8L 3800 Series III V6 - WAI - Muffler/Resonator removed -
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