Seafoam works great on my silverado. I use it before every 2nd oil change. Ill be burning 94 octane at mohawk whenever possible cause its the same price as 91 down the street from the shell lol
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**sold** 2010 2SS/RS, 6spd manual, imperial blue metallic w/black leather
Blacked out tail/signal lights, 5% rear tint, 20% sides, Dynomax Bullet mufflers, Barton short throw shifter, Clear Image offroad downpipes
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