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Old 06-19-2013, 07:44 PM   #1
CrewCabMan
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Join Date: Dec 2008
Location: Strawplains,Tenn
Posts: 16
5.3 ?

Hey guys I have a 2000 Z71 with a 5.3. It has 185000 miles and runs like a sewing machine but was thinking in the future when needed about a rebuild.

I know everyone says a 6.0 with cam and a tune can get 400 hp but can you get the same out of a 5.3 and be durable and reliable? If so what would have to be done to achieve that much horsepower?
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