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Questions about a supercharger install on my 81 K20?
Hi all new poster here. My father gave me his 1981 K20 which he bought brand new. It has 75k original miles and for all intents and purposes is in perfect running order. The engine is all original and in great shape, the only aftermarket things done to the truck are wheels and tires and the...- Biggyniner
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- Forum: Engine & Performance
